21032260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{33923}}^1$

素因数の和:33963

約数の個数: 24

約数和(自身を含む): 45593856

約数和(自身を除く): 24561596

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 33923, 67846, 135692, 169615, 339230, 678460, 1051613, 2103226, 4206452, 5258065, 10516130, 21032260]

約数ペア:

[(1, 21032260), (2, 10516130), (4, 5258065), (5, 4206452), (10, 2103226), (20, 1051613), (31, 678460), (62, 339230), (124, 169615), (155, 135692), (310, 67846), (620, 33923)]