21144668

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{5867}}^1$

素因数の和:5941

約数の個数: 24

約数和(自身を含む): 39925872

約数和(自身を除く): 18781204

約数列:

[1, 2, 4, 17, 34, 53, 68, 106, 212, 901, 1802, 3604, 5867, 11734, 23468, 99739, 199478, 310951, 398956, 621902, 1243804, 5286167, 10572334, 21144668]

約数ペア:

[(1, 21144668), (2, 10572334), (4, 5286167), (17, 1243804), (34, 621902), (53, 398956), (68, 310951), (106, 199478), (212, 99739), (901, 23468), (1802, 11734), (3604, 5867)]