21295631

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{379}}^1$

素因数の和:758

約数の個数: 16

約数和(自身を含む): 25536000

約数和(自身を除く): 4240369

約数列:

[1, 7, 23, 161, 349, 379, 2443, 2653, 8027, 8717, 56189, 61019, 132271, 925897, 3042233, 21295631]

約数ペア:

[(1, 21295631), (7, 3042233), (23, 925897), (161, 132271), (349, 61019), (379, 56189), (2443, 8717), (2653, 8027)]