21261464

素因数分解:

$2^3\times 7^1\times {\mathrm{313}}^1\times {\mathrm{1213}}^1$

素因数の和:1539

約数の個数: 32

約数和(自身を含む): 45743520

約数和(自身を除く): 24482056

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 313, 626, 1213, 1252, 2191, 2426, 2504, 4382, 4852, 8491, 8764, 9704, 16982, 17528, 33964, 67928, 379669, 759338, 1518676, 2657683, 3037352, 5315366, 10630732, 21261464]

約数ペア:

[(1, 21261464), (2, 10630732), (4, 5315366), (7, 3037352), (8, 2657683), (14, 1518676), (28, 759338), (56, 379669), (313, 67928), (626, 33964), (1213, 17528), (1252, 16982), (2191, 9704), (2426, 8764), (2504, 8491), (4382, 4852)]