21109715710

素因数分解:

$2^1\times 5^1\times {\mathrm{9551}}^1\times {\mathrm{221021}}^1$

素因数の和:230579

約数の個数: 16

約数和(自身を含む): 38001638592

約数和(自身を除く): 16891922882

約数列:

[1, 2, 5, 10, 9551, 19102, 47755, 95510, 221021, 442042, 1105105, 2210210, 2110971571, 4221943142, 10554857855, 21109715710]

約数ペア:

[(1, 21109715710), (2, 10554857855), (5, 4221943142), (10, 2110971571), (9551, 2210210), (19102, 1105105), (47755, 442042), (95510, 221021)]