21525660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9199}}^1$

素因数の和:9227

約数の個数: 72

約数和(自身を含む): 70324800

約数和(自身を除く): 48799140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 9199, 18398, 27597, 36796, 45995, 55194, 82791, 91990, 110388, 119587, 137985, 165582, 183980, 239174, 275970, 331164, 358761, 413955, 478348, 551940, 597935, 717522, 827910, 1076283, 1195870, 1435044, 1655820, 1793805, 2152566, 2391740, 3587610, 4305132, 5381415, 7175220, 10762830, 21525660]

約数ペア:

[(1, 21525660), (2, 10762830), (3, 7175220), (4, 5381415), (5, 4305132), (6, 3587610), (9, 2391740), (10, 2152566), (12, 1793805), (13, 1655820), (15, 1435044), (18, 1195870), (20, 1076283), (26, 827910), (30, 717522), (36, 597935), (39, 551940), (45, 478348), (52, 413955), (60, 358761), (65, 331164), (78, 275970), (90, 239174), (117, 183980), (130, 165582), (156, 137985), (180, 119587), (195, 110388), (234, 91990), (260, 82791), (390, 55194), (468, 45995), (585, 36796), (780, 27597), (1170, 18398), (2340, 9199)]