21000864

素因数分解:

$2^5\times 3^1\times {\mathrm{283}}^1\times {\mathrm{773}}^1$

素因数の和:1069

約数の個数: 48

約数和(自身を含む): 55393632

約数和(自身を除く): 34392768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 283, 566, 773, 849, 1132, 1546, 1698, 2264, 2319, 3092, 3396, 4528, 4638, 6184, 6792, 9056, 9276, 12368, 13584, 18552, 24736, 27168, 37104, 74208, 218759, 437518, 656277, 875036, 1312554, 1750072, 2625108, 3500144, 5250216, 7000288, 10500432, 21000864]

約数ペア:

[(1, 21000864), (2, 10500432), (3, 7000288), (4, 5250216), (6, 3500144), (8, 2625108), (12, 1750072), (16, 1312554), (24, 875036), (32, 656277), (48, 437518), (96, 218759), (283, 74208), (566, 37104), (773, 27168), (849, 24736), (1132, 18552), (1546, 13584), (1698, 12368), (2264, 9276), (2319, 9056), (3092, 6792), (3396, 6184), (4528, 4638)]