21200580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6199}}^1$

素因数の和:6233

約数の個数: 72

約数和(自身を含む): 67704000

約数和(自身を除く): 46503420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 6199, 12398, 18597, 24796, 30995, 37194, 55791, 61990, 74388, 92985, 111582, 117781, 123980, 185970, 223164, 235562, 278955, 353343, 371940, 471124, 557910, 588905, 706686, 1060029, 1115820, 1177810, 1413372, 1766715, 2120058, 2355620, 3533430, 4240116, 5300145, 7066860, 10600290, 21200580]

約数ペア:

[(1, 21200580), (2, 10600290), (3, 7066860), (4, 5300145), (5, 4240116), (6, 3533430), (9, 2355620), (10, 2120058), (12, 1766715), (15, 1413372), (18, 1177810), (19, 1115820), (20, 1060029), (30, 706686), (36, 588905), (38, 557910), (45, 471124), (57, 371940), (60, 353343), (76, 278955), (90, 235562), (95, 223164), (114, 185970), (171, 123980), (180, 117781), (190, 111582), (228, 92985), (285, 74388), (342, 61990), (380, 55791), (570, 37194), (684, 30995), (855, 24796), (1140, 18597), (1710, 12398), (3420, 6199)]