21104072

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{14107}}^1$

素因数の和:14141

約数の個数: 32

約数和(自身を含む): 45709920

約数和(自身を除く): 24605848

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 14107, 28214, 56428, 112856, 155177, 239819, 310354, 479638, 620708, 959276, 1241416, 1918552, 2638009, 5276018, 10552036, 21104072]

約数ペア:

[(1, 21104072), (2, 10552036), (4, 5276018), (8, 2638009), (11, 1918552), (17, 1241416), (22, 959276), (34, 620708), (44, 479638), (68, 310354), (88, 239819), (136, 155177), (187, 112856), (374, 56428), (748, 28214), (1496, 14107)]