21905008

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{29129}}^1$

素因数の和:29184

約数の個数: 20

約数和(自身を含む): 43345440

約数和(自身を除く): 21440432

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 29129, 58258, 116516, 233032, 466064, 1369063, 2738126, 5476252, 10952504, 21905008]

約数ペア:

[(1, 21905008), (2, 10952504), (4, 5476252), (8, 2738126), (16, 1369063), (47, 466064), (94, 233032), (188, 116516), (376, 58258), (752, 29129)]