21524360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:159

約数の個数: 128

約数和(自身を含む): 58786560

約数和(自身を除く): 37262200

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 53, 55, 65, 71, 88, 104, 106, 110, 130, 142, 143, 212, 220, 260, 265, 284, 286, 355, 424, 440, 520, 530, 568, 572, 583, 689, 710, 715, 781, 923, 1060, 1144, 1166, 1378, 1420, 1430, 1562, 1846, 2120, 2332, 2756, 2840, 2860, 2915, 3124, 3445, 3692, 3763, 3905, 4615, 4664, 5512, 5720, 5830, 6248, 6890, 7384, 7526, 7579, 7810, 9230, 10153, 11660, 13780, 15052, 15158, 15620, 18460, 18815, 20306, 23320, 27560, 30104, 30316, 31240, 36920, 37630, 37895, 40612, 41393, 48919, 50765, 60632, 75260, 75790, 81224, 82786, 97838, 101530, 150520, 151580, 165572, 195676, 203060, 206965, 244595, 303160, 331144, 391352, 406120, 413930, 489190, 538109, 827860, 978380, 1076218, 1655720, 1956760, 2152436, 2690545, 4304872, 5381090, 10762180, 21524360]

約数ペア:

[(1, 21524360), (2, 10762180), (4, 5381090), (5, 4304872), (8, 2690545), (10, 2152436), (11, 1956760), (13, 1655720), (20, 1076218), (22, 978380), (26, 827860), (40, 538109), (44, 489190), (52, 413930), (53, 406120), (55, 391352), (65, 331144), (71, 303160), (88, 244595), (104, 206965), (106, 203060), (110, 195676), (130, 165572), (142, 151580), (143, 150520), (212, 101530), (220, 97838), (260, 82786), (265, 81224), (284, 75790), (286, 75260), (355, 60632), (424, 50765), (440, 48919), (520, 41393), (530, 40612), (568, 37895), (572, 37630), (583, 36920), (689, 31240), (710, 30316), (715, 30104), (781, 27560), (923, 23320), (1060, 20306), (1144, 18815), (1166, 18460), (1378, 15620), (1420, 15158), (1430, 15052), (1562, 13780), (1846, 11660), (2120, 10153), (2332, 9230), (2756, 7810), (2840, 7579), (2860, 7526), (2915, 7384), (3124, 6890), (3445, 6248), (3692, 5830), (3763, 5720), (3905, 5512), (4615, 4664)]