21103576

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1549}}^1$

素因数の和:1699

約数の個数: 32

約数和(自身を含む): 42966000

約数和(自身を除く): 21862424

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 131, 262, 524, 1048, 1549, 1703, 3098, 3406, 6196, 6812, 12392, 13624, 20137, 40274, 80548, 161096, 202919, 405838, 811676, 1623352, 2637947, 5275894, 10551788, 21103576]

約数ペア:

[(1, 21103576), (2, 10551788), (4, 5275894), (8, 2637947), (13, 1623352), (26, 811676), (52, 405838), (104, 202919), (131, 161096), (262, 80548), (524, 40274), (1048, 20137), (1549, 13624), (1703, 12392), (3098, 6812), (3406, 6196)]