21318248

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{13127}}^1$

素因数の和:13169

約数の個数: 32

約数和(自身を含む): 47260800

約数和(自身を除く): 25942552

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 13127, 26254, 52508, 91889, 105016, 183778, 367556, 380683, 735112, 761366, 1522732, 2664781, 3045464, 5329562, 10659124, 21318248]

約数ペア:

[(1, 21318248), (2, 10659124), (4, 5329562), (7, 3045464), (8, 2664781), (14, 1522732), (28, 761366), (29, 735112), (56, 380683), (58, 367556), (116, 183778), (203, 105016), (232, 91889), (406, 52508), (812, 26254), (1624, 13127)]