21847982

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{1747}}^1$

素因数の和:1812

約数の個数: 24

約数和(自身を含む): 36466776

約数和(自身を除く): 14618794

約数列:

[1, 2, 13, 26, 37, 74, 169, 338, 481, 962, 1747, 3494, 6253, 12506, 22711, 45422, 64639, 129278, 295243, 590486, 840307, 1680614, 10923991, 21847982]

約数ペア:

[(1, 21847982), (2, 10923991), (13, 1680614), (26, 840307), (37, 590486), (74, 295243), (169, 129278), (338, 64639), (481, 45422), (962, 22711), (1747, 12506), (3494, 6253)]