21545880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{179549}}^1$

素因数の和:179563

約数の個数: 32

約数和(自身を含む): 64638000

約数和(自身を除く): 43092120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 179549, 359098, 538647, 718196, 897745, 1077294, 1436392, 1795490, 2154588, 2693235, 3590980, 4309176, 5386470, 7181960, 10772940, 21545880]

約数ペア:

[(1, 21545880), (2, 10772940), (3, 7181960), (4, 5386470), (5, 4309176), (6, 3590980), (8, 2693235), (10, 2154588), (12, 1795490), (15, 1436392), (20, 1077294), (24, 897745), (30, 718196), (40, 538647), (60, 359098), (120, 179549)]