21621512

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{887}}^1$

素因数の和:1181

約数の個数: 32

約数和(自身を含む): 44435520

約数和(自身を除く): 22814008

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 277, 554, 887, 1108, 1774, 2216, 3047, 3548, 6094, 7096, 9757, 12188, 19514, 24376, 39028, 78056, 245699, 491398, 982796, 1965592, 2702689, 5405378, 10810756, 21621512]

約数ペア:

[(1, 21621512), (2, 10810756), (4, 5405378), (8, 2702689), (11, 1965592), (22, 982796), (44, 491398), (88, 245699), (277, 78056), (554, 39028), (887, 24376), (1108, 19514), (1774, 12188), (2216, 9757), (3047, 7096), (3548, 6094)]