21977718

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{27541}}^1$

素因数の和:27572

約数の個数: 32

約数和(自身を含む): 52880640

約数和(自身を除く): 30902922

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 27541, 55082, 82623, 165246, 192787, 385574, 523279, 578361, 1046558, 1156722, 1569837, 3139674, 3662953, 7325906, 10988859, 21977718]

約数ペア:

[(1, 21977718), (2, 10988859), (3, 7325906), (6, 3662953), (7, 3139674), (14, 1569837), (19, 1156722), (21, 1046558), (38, 578361), (42, 523279), (57, 385574), (114, 192787), (133, 165246), (266, 82623), (399, 55082), (798, 27541)]