21877630

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{70573}}^1$

素因数の和:70611

約数の個数: 16

約数和(自身を含む): 40650624

約数和(自身を除く): 18772994

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 70573, 141146, 352865, 705730, 2187763, 4375526, 10938815, 21877630]

約数ペア:

[(1, 21877630), (2, 10938815), (5, 4375526), (10, 2187763), (31, 705730), (62, 352865), (155, 141146), (310, 70573)]