21415864

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{36671}}^1$

素因数の和:36750

約数の個数: 16

約数和(自身を含む): 40705920

約数和(自身を除く): 19290056

約数列:

[1, 2, 4, 8, 73, 146, 292, 584, 36671, 73342, 146684, 293368, 2676983, 5353966, 10707932, 21415864]

約数ペア:

[(1, 21415864), (2, 10707932), (4, 5353966), (8, 2676983), (73, 293368), (146, 146684), (292, 73342), (584, 36671)]