21293596

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{827}}^1$

素因数の和:1029

約数の個数: 24

約数和(自身を含む): 38462256

約数和(自身を除く): 17168660

約数列:

[1, 2, 4, 41, 82, 157, 164, 314, 628, 827, 1654, 3308, 6437, 12874, 25748, 33907, 67814, 129839, 135628, 259678, 519356, 5323399, 10646798, 21293596]

約数ペア:

[(1, 21293596), (2, 10646798), (4, 5323399), (41, 519356), (82, 259678), (157, 135628), (164, 129839), (314, 67814), (628, 33907), (827, 25748), (1654, 12874), (3308, 6437)]