21156556922

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{2195119}}^1$

素因数の和:2195261

約数の個数: 16

約数和(自身を含む): 32663385600

約数和(自身を除く): 11506828678

約数列:

[1, 2, 61, 79, 122, 158, 4819, 9638, 2195119, 4390238, 133902259, 173414401, 267804518, 346828802, 10578278461, 21156556922]

約数ペア:

[(1, 21156556922), (2, 10578278461), (61, 346828802), (79, 267804518), (122, 173414401), (158, 133902259), (4819, 4390238), (9638, 2195119)]