21347684

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{42023}}^1$

素因数の和:42154

約数の個数: 12

約数和(自身を含む): 37653504

約数和(自身を除く): 16305820

約数列:

[1, 2, 4, 127, 254, 508, 42023, 84046, 168092, 5336921, 10673842, 21347684]

約数ペア:

[(1, 21347684), (2, 10673842), (4, 5336921), (127, 168092), (254, 84046), (508, 42023)]