21119386

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1\times {\mathrm{383}}^1$

素因数の和:813

約数の個数: 16

約数和(自身を含む): 32256000

約数和(自身を除く): 11136614

約数列:

[1, 2, 79, 158, 349, 383, 698, 766, 27571, 30257, 55142, 60514, 133667, 267334, 10559693, 21119386]

約数ペア:

[(1, 21119386), (2, 10559693), (79, 267334), (158, 133667), (349, 60514), (383, 55142), (698, 30257), (766, 27571)]