21605494672

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{28730711}}^1$

素因数の和:28730766

約数の個数: 20

約数和(自身を含む): 42751299456

約数和(自身を除く): 21145804784

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 28730711, 57461422, 114922844, 229845688, 459691376, 1350343417, 2700686834, 5401373668, 10802747336, 21605494672]

約数ペア:

[(1, 21605494672), (2, 10802747336), (4, 5401373668), (8, 2700686834), (16, 1350343417), (47, 459691376), (94, 229845688), (188, 114922844), (376, 57461422), (752, 28730711)]