21166860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2467}}^1$

素因数の和:2503

約数の個数: 96

約数和(自身を含む): 69656832

約数和(自身を除く): 48489972

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 130, 132, 143, 156, 165, 195, 220, 260, 286, 330, 390, 429, 572, 660, 715, 780, 858, 1430, 1716, 2145, 2467, 2860, 4290, 4934, 7401, 8580, 9868, 12335, 14802, 24670, 27137, 29604, 32071, 37005, 49340, 54274, 64142, 74010, 81411, 96213, 108548, 128284, 135685, 148020, 160355, 162822, 192426, 271370, 320710, 325644, 352781, 384852, 407055, 481065, 542740, 641420, 705562, 814110, 962130, 1058343, 1411124, 1628220, 1763905, 1924260, 2116686, 3527810, 4233372, 5291715, 7055620, 10583430, 21166860]

約数ペア:

[(1, 21166860), (2, 10583430), (3, 7055620), (4, 5291715), (5, 4233372), (6, 3527810), (10, 2116686), (11, 1924260), (12, 1763905), (13, 1628220), (15, 1411124), (20, 1058343), (22, 962130), (26, 814110), (30, 705562), (33, 641420), (39, 542740), (44, 481065), (52, 407055), (55, 384852), (60, 352781), (65, 325644), (66, 320710), (78, 271370), (110, 192426), (130, 162822), (132, 160355), (143, 148020), (156, 135685), (165, 128284), (195, 108548), (220, 96213), (260, 81411), (286, 74010), (330, 64142), (390, 54274), (429, 49340), (572, 37005), (660, 32071), (715, 29604), (780, 27137), (858, 24670), (1430, 14802), (1716, 12335), (2145, 9868), (2467, 8580), (2860, 7401), (4290, 4934)]