21546960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89779}}^1$

素因数の和:89795

約数の個数: 40

約数和(自身を含む): 66796320

約数和(自身を除く): 45249360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 89779, 179558, 269337, 359116, 448895, 538674, 718232, 897790, 1077348, 1346685, 1436464, 1795580, 2154696, 2693370, 3591160, 4309392, 5386740, 7182320, 10773480, 21546960]

約数ペア:

[(1, 21546960), (2, 10773480), (3, 7182320), (4, 5386740), (5, 4309392), (6, 3591160), (8, 2693370), (10, 2154696), (12, 1795580), (15, 1436464), (16, 1346685), (20, 1077348), (24, 897790), (30, 718232), (40, 538674), (48, 448895), (60, 359116), (80, 269337), (120, 179558), (240, 89779)]