21033994216

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{239}}^1\times {\mathrm{100927}}^1$

素因数の和:101281

約数の個数: 32

約数和(自身を含む): 39967488000

約数和(自身を除く): 18933493784

約数列:

[1, 2, 4, 8, 109, 218, 239, 436, 478, 872, 956, 1912, 26051, 52102, 100927, 104204, 201854, 208408, 403708, 807416, 11001043, 22002086, 24121553, 44004172, 48243106, 88008344, 96486212, 192972424, 2629249277, 5258498554, 10516997108, 21033994216]

約数ペア:

[(1, 21033994216), (2, 10516997108), (4, 5258498554), (8, 2629249277), (109, 192972424), (218, 96486212), (239, 88008344), (436, 48243106), (478, 44004172), (872, 24121553), (956, 22002086), (1912, 11001043), (26051, 807416), (52102, 403708), (100927, 208408), (104204, 201854)]