21029770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{733}}^1$

素因数の和:910

約数の個数: 32

約数和(自身を含む): 40164480

約数和(自身を除く): 19134710

約数列:

[1, 2, 5, 10, 19, 38, 95, 151, 190, 302, 733, 755, 1466, 1510, 2869, 3665, 5738, 7330, 13927, 14345, 27854, 28690, 69635, 110683, 139270, 221366, 553415, 1106830, 2102977, 4205954, 10514885, 21029770]

約数ペア:

[(1, 21029770), (2, 10514885), (5, 4205954), (10, 2102977), (19, 1106830), (38, 553415), (95, 221366), (151, 139270), (190, 110683), (302, 69635), (733, 28690), (755, 27854), (1466, 14345), (1510, 13927), (2869, 7330), (3665, 5738)]