21643204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{25889}}^1$

素因数の和:25923

約数の個数: 24

約数和(自身を含む): 43495200

約数和(自身を除く): 21851996

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 25889, 51778, 103556, 284779, 491891, 569558, 983782, 1139116, 1967564, 5410801, 10821602, 21643204]

約数ペア:

[(1, 21643204), (2, 10821602), (4, 5410801), (11, 1967564), (19, 1139116), (22, 983782), (38, 569558), (44, 491891), (76, 284779), (209, 103556), (418, 51778), (836, 25889)]