21005232

素因数分解:

$2^4\times 3^1\times {\mathrm{239}}^1\times {\mathrm{1831}}^1$

素因数の和:2081

約数の個数: 40

約数和(自身を含む): 54520320

約数和(自身を除く): 33515088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 239, 478, 717, 956, 1434, 1831, 1912, 2868, 3662, 3824, 5493, 5736, 7324, 10986, 11472, 14648, 21972, 29296, 43944, 87888, 437609, 875218, 1312827, 1750436, 2625654, 3500872, 5251308, 7001744, 10502616, 21005232]

約数ペア:

[(1, 21005232), (2, 10502616), (3, 7001744), (4, 5251308), (6, 3500872), (8, 2625654), (12, 1750436), (16, 1312827), (24, 875218), (48, 437609), (239, 87888), (478, 43944), (717, 29296), (956, 21972), (1434, 14648), (1831, 11472), (1912, 10986), (2868, 7324), (3662, 5736), (3824, 5493)]