21795544

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{757}}^1$

素因数の和:883

約数の個数: 32

約数和(自身を含む): 42296400

約数和(自身を除く): 20500856

約数列:

[1, 2, 4, 8, 59, 61, 118, 122, 236, 244, 472, 488, 757, 1514, 3028, 3599, 6056, 7198, 14396, 28792, 44663, 46177, 89326, 92354, 178652, 184708, 357304, 369416, 2724443, 5448886, 10897772, 21795544]

約数ペア:

[(1, 21795544), (2, 10897772), (4, 5448886), (8, 2724443), (59, 369416), (61, 357304), (118, 184708), (122, 178652), (236, 92354), (244, 89326), (472, 46177), (488, 44663), (757, 28792), (1514, 14396), (3028, 7198), (3599, 6056)]