21649008

素因数分解:

$2^4\times 3^1\times {\mathrm{163}}^1\times {\mathrm{2767}}^1$

素因数の和:2941

約数の個数: 40

約数和(自身を含む): 56290048

約数和(自身を除く): 34641040

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 163, 326, 489, 652, 978, 1304, 1956, 2608, 2767, 3912, 5534, 7824, 8301, 11068, 16602, 22136, 33204, 44272, 66408, 132816, 451021, 902042, 1353063, 1804084, 2706126, 3608168, 5412252, 7216336, 10824504, 21649008]

約数ペア:

[(1, 21649008), (2, 10824504), (3, 7216336), (4, 5412252), (6, 3608168), (8, 2706126), (12, 1804084), (16, 1353063), (24, 902042), (48, 451021), (163, 132816), (326, 66408), (489, 44272), (652, 33204), (978, 22136), (1304, 16602), (1956, 11068), (2608, 8301), (2767, 7824), (3912, 5534)]