21285056

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{25583}}^1$

素因数の和:25608

約数の個数: 28

約数和(自身を含む): 45488352

約数和(自身を除く): 24203296

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 25583, 51166, 102332, 204664, 332579, 409328, 665158, 818656, 1330316, 1637312, 2660632, 5321264, 10642528, 21285056]

約数ペア:

[(1, 21285056), (2, 10642528), (4, 5321264), (8, 2660632), (13, 1637312), (16, 1330316), (26, 818656), (32, 665158), (52, 409328), (64, 332579), (104, 204664), (208, 102332), (416, 51166), (832, 25583)]