21522060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:101

約数の個数: 288

約数和(自身を含む): 83865600

約数和(自身を除く): 62343540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 29, 30, 31, 35, 36, 38, 42, 45, 57, 58, 60, 62, 63, 70, 76, 84, 87, 90, 93, 95, 105, 114, 116, 124, 126, 133, 140, 145, 155, 171, 174, 180, 186, 190, 203, 210, 217, 228, 252, 261, 266, 279, 285, 290, 310, 315, 342, 348, 372, 380, 399, 406, 420, 434, 435, 465, 522, 532, 551, 558, 570, 580, 589, 609, 620, 630, 651, 665, 684, 798, 812, 855, 868, 870, 899, 930, 1015, 1044, 1085, 1102, 1116, 1140, 1178, 1197, 1218, 1260, 1302, 1305, 1330, 1395, 1596, 1653, 1710, 1740, 1767, 1798, 1827, 1860, 1953, 1995, 2030, 2170, 2204, 2356, 2394, 2436, 2604, 2610, 2660, 2697, 2755, 2790, 2945, 3045, 3255, 3306, 3420, 3534, 3596, 3654, 3857, 3906, 3990, 4060, 4123, 4340, 4495, 4788, 4959, 5220, 5301, 5394, 5510, 5580, 5890, 5985, 6090, 6293, 6510, 6612, 7068, 7308, 7714, 7812, 7980, 8091, 8246, 8265, 8835, 8990, 9135, 9765, 9918, 10602, 10788, 11020, 11571, 11780, 11970, 12180, 12369, 12586, 13020, 13485, 15428, 16182, 16492, 16530, 17081, 17670, 17980, 18270, 18879, 19285, 19530, 19836, 20615, 21204, 23142, 23940, 24738, 24795, 25172, 26505, 26970, 31465, 32364, 33060, 34162, 34713, 35340, 36540, 37107, 37758, 38570, 39060, 40455, 41230, 46284, 49476, 49590, 51243, 53010, 53940, 56637, 57855, 61845, 62930, 68324, 69426, 74214, 75516, 77140, 80910, 82460, 85405, 94395, 99180, 102486, 106020, 113274, 115710, 119567, 123690, 125860, 138852, 148428, 153729, 161820, 170810, 173565, 185535, 188790, 204972, 226548, 231420, 239134, 247380, 256215, 283185, 307458, 341620, 347130, 358701, 371070, 377580, 478268, 512430, 566370, 597835, 614916, 694260, 717402, 742140, 768645, 1024860, 1076103, 1132740, 1195670, 1434804, 1537290, 1793505, 2152206, 2391340, 3074580, 3587010, 4304412, 5380515, 7174020, 10761030, 21522060]

約数ペア:

[(1, 21522060), (2, 10761030), (3, 7174020), (4, 5380515), (5, 4304412), (6, 3587010), (7, 3074580), (9, 2391340), (10, 2152206), (12, 1793505), (14, 1537290), (15, 1434804), (18, 1195670), (19, 1132740), (20, 1076103), (21, 1024860), (28, 768645), (29, 742140), (30, 717402), (31, 694260), (35, 614916), (36, 597835), (38, 566370), (42, 512430), (45, 478268), (57, 377580), (58, 371070), (60, 358701), (62, 347130), (63, 341620), (70, 307458), (76, 283185), (84, 256215), (87, 247380), (90, 239134), (93, 231420), (95, 226548), (105, 204972), (114, 188790), (116, 185535), (124, 173565), (126, 170810), (133, 161820), (140, 153729), (145, 148428), (155, 138852), (171, 125860), (174, 123690), (180, 119567), (186, 115710), (190, 113274), (203, 106020), (210, 102486), (217, 99180), (228, 94395), (252, 85405), (261, 82460), (266, 80910), (279, 77140), (285, 75516), (290, 74214), (310, 69426), (315, 68324), (342, 62930), (348, 61845), (372, 57855), (380, 56637), (399, 53940), (406, 53010), (420, 51243), (434, 49590), (435, 49476), (465, 46284), (522, 41230), (532, 40455), (551, 39060), (558, 38570), (570, 37758), (580, 37107), (589, 36540), (609, 35340), (620, 34713), (630, 34162), (651, 33060), (665, 32364), (684, 31465), (798, 26970), (812, 26505), (855, 25172), (868, 24795), (870, 24738), (899, 23940), (930, 23142), (1015, 21204), (1044, 20615), (1085, 19836), (1102, 19530), (1116, 19285), (1140, 18879), (1178, 18270), (1197, 17980), (1218, 17670), (1260, 17081), (1302, 16530), (1305, 16492), (1330, 16182), (1395, 15428), (1596, 13485), (1653, 13020), (1710, 12586), (1740, 12369), (1767, 12180), (1798, 11970), (1827, 11780), (1860, 11571), (1953, 11020), (1995, 10788), (2030, 10602), (2170, 9918), (2204, 9765), (2356, 9135), (2394, 8990), (2436, 8835), (2604, 8265), (2610, 8246), (2660, 8091), (2697, 7980), (2755, 7812), (2790, 7714), (2945, 7308), (3045, 7068), (3255, 6612), (3306, 6510), (3420, 6293), (3534, 6090), (3596, 5985), (3654, 5890), (3857, 5580), (3906, 5510), (3990, 5394), (4060, 5301), (4123, 5220), (4340, 4959), (4495, 4788)]