21994324

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{26309}}^1$

素因数の和:26343

約数の個数: 24

約数和(自身を含む): 44200800

約数和(自身を除く): 22206476

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 26309, 52618, 105236, 289399, 499871, 578798, 999742, 1157596, 1999484, 5498581, 10997162, 21994324]

約数ペア:

[(1, 21994324), (2, 10997162), (4, 5498581), (11, 1999484), (19, 1157596), (22, 999742), (38, 578798), (44, 499871), (76, 289399), (209, 105236), (418, 52618), (836, 26309)]