21415933

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{7517}}^1$

素因数の和:7572

約数の個数: 16

約数和(自身を含む): 27425664

約数和(自身を除く): 6009731

約数列:

[1, 7, 11, 37, 77, 259, 407, 2849, 7517, 52619, 82687, 278129, 578809, 1946903, 3059419, 21415933]

約数ペア:

[(1, 21415933), (7, 3059419), (11, 1946903), (37, 578809), (77, 278129), (259, 82687), (407, 52619), (2849, 7517)]