21763685

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:508

約数の個数: 16

約数和(自身を含む): 26611200

約数和(自身を除く): 4847515

約数列:

[1, 5, 131, 149, 223, 655, 745, 1115, 19519, 29213, 33227, 97595, 146065, 166135, 4352737, 21763685]

約数ペア:

[(1, 21763685), (5, 4352737), (131, 166135), (149, 146065), (223, 97595), (655, 33227), (745, 29213), (1115, 19519)]