21575460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3299}}^1$

素因数の和:3420

約数の個数: 48

約数和(自身を含む): 60984000

約数和(自身を除く): 39408540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 654, 1090, 1308, 1635, 2180, 3270, 3299, 6540, 6598, 9897, 13196, 16495, 19794, 32990, 39588, 49485, 65980, 98970, 197940, 359591, 719182, 1078773, 1438364, 1797955, 2157546, 3595910, 4315092, 5393865, 7191820, 10787730, 21575460]

約数ペア:

[(1, 21575460), (2, 10787730), (3, 7191820), (4, 5393865), (5, 4315092), (6, 3595910), (10, 2157546), (12, 1797955), (15, 1438364), (20, 1078773), (30, 719182), (60, 359591), (109, 197940), (218, 98970), (327, 65980), (436, 49485), (545, 39588), (654, 32990), (1090, 19794), (1308, 16495), (1635, 13196), (2180, 9897), (3270, 6598), (3299, 6540)]