21528930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{717631}}^1$

素因数の和:717641

約数の個数: 16

約数和(自身を含む): 51669504

約数和(自身を除く): 30140574

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 717631, 1435262, 2152893, 3588155, 4305786, 7176310, 10764465, 21528930]

約数ペア:

[(1, 21528930), (2, 10764465), (3, 7176310), (5, 4305786), (6, 3588155), (10, 2152893), (15, 1435262), (30, 717631)]