21268232

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{449}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 41472000

約数和(自身を除く): 20203768

約数列:

[1, 2, 4, 8, 31, 62, 124, 191, 248, 382, 449, 764, 898, 1528, 1796, 3592, 5921, 11842, 13919, 23684, 27838, 47368, 55676, 85759, 111352, 171518, 343036, 686072, 2658529, 5317058, 10634116, 21268232]

約数ペア:

[(1, 21268232), (2, 10634116), (4, 5317058), (8, 2658529), (31, 686072), (62, 343036), (124, 171518), (191, 111352), (248, 85759), (382, 55676), (449, 47368), (764, 27838), (898, 23684), (1528, 13919), (1796, 11842), (3592, 5921)]