21047967720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{14843}}^1$

素因数の和:14977

約数の個数: 256

約数和(自身を含む): 76310035200

約数和(自身を除く): 55262067480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 101, 104, 108, 117, 120, 130, 135, 156, 180, 195, 202, 216, 234, 260, 270, 303, 312, 351, 360, 390, 404, 468, 505, 520, 540, 585, 606, 702, 780, 808, 909, 936, 1010, 1080, 1170, 1212, 1313, 1404, 1515, 1560, 1755, 1818, 2020, 2340, 2424, 2626, 2727, 2808, 3030, 3510, 3636, 3939, 4040, 4545, 4680, 5252, 5454, 6060, 6565, 7020, 7272, 7878, 9090, 10504, 10908, 11817, 12120, 13130, 13635, 14040, 14843, 15756, 18180, 19695, 21816, 23634, 26260, 27270, 29686, 31512, 35451, 36360, 39390, 44529, 47268, 52520, 54540, 59085, 59372, 70902, 74215, 78780, 89058, 94536, 109080, 118170, 118744, 133587, 141804, 148430, 157560, 177255, 178116, 192959, 222645, 236340, 267174, 283608, 296860, 354510, 356232, 385918, 400761, 445290, 472680, 534348, 578877, 593720, 667935, 709020, 771836, 801522, 890580, 964795, 1068696, 1157754, 1335870, 1418040, 1499143, 1543672, 1603044, 1736631, 1781160, 1929590, 2003805, 2315508, 2671740, 2894385, 2998286, 3206088, 3473262, 3859180, 4007610, 4497429, 4631016, 5209893, 5343480, 5788770, 5996572, 6946524, 7495715, 7718360, 8015220, 8683155, 8994858, 10419786, 11577540, 11993144, 13492287, 13893048, 14991430, 16030440, 17366310, 17989716, 19488859, 20839572, 22487145, 23155080, 26049465, 26984574, 29982860, 34732620, 35979432, 38977718, 40476861, 41679144, 44974290, 52098930, 53969148, 58466577, 59965720, 67461435, 69465240, 77955436, 80953722, 89948580, 97444295, 104197860, 107938296, 116933154, 134922870, 155910872, 161907444, 175399731, 179897160, 194888590, 202384305, 208395720, 233866308, 269845740, 292332885, 323814888, 350799462, 389777180, 404768610, 467732616, 526199193, 539691480, 584665770, 701598924, 779554360, 809537220, 876998655, 1052398386, 1169331540, 1403197848, 1619074440, 1753997310, 2104796772, 2338663080, 2630995965, 3507994620, 4209593544, 5261991930, 7015989240, 10523983860, 21047967720]

約数ペア:

[(1, 21047967720), (2, 10523983860), (3, 7015989240), (4, 5261991930), (5, 4209593544), (6, 3507994620), (8, 2630995965), (9, 2338663080), (10, 2104796772), (12, 1753997310), (13, 1619074440), (15, 1403197848), (18, 1169331540), (20, 1052398386), (24, 876998655), (26, 809537220), (27, 779554360), (30, 701598924), (36, 584665770), (39, 539691480), (40, 526199193), (45, 467732616), (52, 404768610), (54, 389777180), (60, 350799462), (65, 323814888), (72, 292332885), (78, 269845740), (90, 233866308), (101, 208395720), (104, 202384305), (108, 194888590), (117, 179897160), (120, 175399731), (130, 161907444), (135, 155910872), (156, 134922870), (180, 116933154), (195, 107938296), (202, 104197860), (216, 97444295), (234, 89948580), (260, 80953722), (270, 77955436), (303, 69465240), (312, 67461435), (351, 59965720), (360, 58466577), (390, 53969148), (404, 52098930), (468, 44974290), (505, 41679144), (520, 40476861), (540, 38977718), (585, 35979432), (606, 34732620), (702, 29982860), (780, 26984574), (808, 26049465), (909, 23155080), (936, 22487145), (1010, 20839572), (1080, 19488859), (1170, 17989716), (1212, 17366310), (1313, 16030440), (1404, 14991430), (1515, 13893048), (1560, 13492287), (1755, 11993144), (1818, 11577540), (2020, 10419786), (2340, 8994858), (2424, 8683155), (2626, 8015220), (2727, 7718360), (2808, 7495715), (3030, 6946524), (3510, 5996572), (3636, 5788770), (3939, 5343480), (4040, 5209893), (4545, 4631016), (4680, 4497429), (5252, 4007610), (5454, 3859180), (6060, 3473262), (6565, 3206088), (7020, 2998286), (7272, 2894385), (7878, 2671740), (9090, 2315508), (10504, 2003805), (10908, 1929590), (11817, 1781160), (12120, 1736631), (13130, 1603044), (13635, 1543672), (14040, 1499143), (14843, 1418040), (15756, 1335870), (18180, 1157754), (19695, 1068696), (21816, 964795), (23634, 890580), (26260, 801522), (27270, 771836), (29686, 709020), (31512, 667935), (35451, 593720), (36360, 578877), (39390, 534348), (44529, 472680), (47268, 445290), (52520, 400761), (54540, 385918), (59085, 356232), (59372, 354510), (70902, 296860), (74215, 283608), (78780, 267174), (89058, 236340), (94536, 222645), (109080, 192959), (118170, 178116), (118744, 177255), (133587, 157560), (141804, 148430)]