21734867

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{383}}^1$

素因数の和:479

約数の個数: 24

約数和(自身を含む): 27783168

約数和(自身を除く): 6048301

約数列:

[1, 7, 11, 67, 77, 121, 383, 469, 737, 847, 2681, 4213, 5159, 8107, 25661, 29491, 46343, 56749, 179627, 282271, 324401, 1975897, 3104981, 21734867]

約数ペア:

[(1, 21734867), (7, 3104981), (11, 1975897), (67, 324401), (77, 282271), (121, 179627), (383, 56749), (469, 46343), (737, 29491), (847, 25661), (2681, 8107), (4213, 5159)]