21215254320

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251843}}^1$

素因数の和:251881

約数の個数: 200

約数和(自身を含む): 79352014896

約数和(自身を除く): 58136760576

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 104, 108, 117, 120, 130, 135, 144, 156, 162, 180, 195, 208, 216, 234, 240, 260, 270, 312, 324, 351, 360, 390, 405, 432, 468, 520, 540, 585, 624, 648, 702, 720, 780, 810, 936, 1040, 1053, 1080, 1170, 1296, 1404, 1560, 1620, 1755, 1872, 2106, 2160, 2340, 2808, 3120, 3240, 3510, 4212, 4680, 5265, 5616, 6480, 7020, 8424, 9360, 10530, 14040, 16848, 21060, 28080, 42120, 84240, 251843, 503686, 755529, 1007372, 1259215, 1511058, 2014744, 2266587, 2518430, 3022116, 3273959, 3777645, 4029488, 4533174, 5036860, 6044232, 6547918, 6799761, 7555290, 9066348, 9821877, 10073720, 11332935, 12088464, 13095836, 13599522, 15110580, 16369795, 18132696, 19643754, 20147440, 20399283, 22665870, 26191672, 27199044, 29465631, 30221160, 32739590, 33998805, 36265392, 39287508, 40798566, 45331740, 49109385, 52383344, 54398088, 58931262, 60442320, 65479180, 67997610, 78575016, 81597132, 88396893, 90663480, 98218770, 101996415, 108796176, 117862524, 130958360, 135995220, 147328155, 157150032, 163194264, 176793786, 181326960, 196437540, 203992830, 235725048, 261916720, 265190679, 271990440, 294656310, 326388528, 353587572, 392875080, 407985660, 441984465, 471450096, 530381358, 543980880, 589312620, 707175144, 785750160, 815971320, 883968930, 1060762716, 1178625240, 1325953395, 1414350288, 1631942640, 1767937860, 2121525432, 2357250480, 2651906790, 3535875720, 4243050864, 5303813580, 7071751440, 10607627160, 21215254320]

約数ペア:

[(1, 21215254320), (2, 10607627160), (3, 7071751440), (4, 5303813580), (5, 4243050864), (6, 3535875720), (8, 2651906790), (9, 2357250480), (10, 2121525432), (12, 1767937860), (13, 1631942640), (15, 1414350288), (16, 1325953395), (18, 1178625240), (20, 1060762716), (24, 883968930), (26, 815971320), (27, 785750160), (30, 707175144), (36, 589312620), (39, 543980880), (40, 530381358), (45, 471450096), (48, 441984465), (52, 407985660), (54, 392875080), (60, 353587572), (65, 326388528), (72, 294656310), (78, 271990440), (80, 265190679), (81, 261916720), (90, 235725048), (104, 203992830), (108, 196437540), (117, 181326960), (120, 176793786), (130, 163194264), (135, 157150032), (144, 147328155), (156, 135995220), (162, 130958360), (180, 117862524), (195, 108796176), (208, 101996415), (216, 98218770), (234, 90663480), (240, 88396893), (260, 81597132), (270, 78575016), (312, 67997610), (324, 65479180), (351, 60442320), (360, 58931262), (390, 54398088), (405, 52383344), (432, 49109385), (468, 45331740), (520, 40798566), (540, 39287508), (585, 36265392), (624, 33998805), (648, 32739590), (702, 30221160), (720, 29465631), (780, 27199044), (810, 26191672), (936, 22665870), (1040, 20399283), (1053, 20147440), (1080, 19643754), (1170, 18132696), (1296, 16369795), (1404, 15110580), (1560, 13599522), (1620, 13095836), (1755, 12088464), (1872, 11332935), (2106, 10073720), (2160, 9821877), (2340, 9066348), (2808, 7555290), (3120, 6799761), (3240, 6547918), (3510, 6044232), (4212, 5036860), (4680, 4533174), (5265, 4029488), (5616, 3777645), (6480, 3273959), (7020, 3022116), (8424, 2518430), (9360, 2266587), (10530, 2014744), (14040, 1511058), (16848, 1259215), (21060, 1007372), (28080, 755529), (42120, 503686), (84240, 251843)]