21979694

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{52583}}^1$

素因数の和:52615

約数の個数: 16

約数和(自身を含む): 37860480

約数和(自身を除く): 15880786

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 52583, 105166, 578413, 999077, 1156826, 1998154, 10989847, 21979694]

約数ペア:

[(1, 21979694), (2, 10989847), (11, 1998154), (19, 1156826), (22, 999077), (38, 578413), (209, 105166), (418, 52583)]