21863792

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{18719}}^1$

素因数の和:18800

約数の個数: 20

約数和(自身を含む): 42943680

約数和(自身を除く): 21079888

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 18719, 37438, 74876, 149752, 299504, 1366487, 2732974, 5465948, 10931896, 21863792]

約数ペア:

[(1, 21863792), (2, 10931896), (4, 5465948), (8, 2732974), (16, 1366487), (73, 299504), (146, 149752), (292, 74876), (584, 37438), (1168, 18719)]