21284362

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{2309}}^1$

素因数の和:2741

約数の個数: 16

約数和(自身を含む): 34927200

約数和(自身を除く): 13642838

約数列:

[1, 2, 11, 22, 419, 838, 2309, 4609, 4618, 9218, 25399, 50798, 967471, 1934942, 10642181, 21284362]

約数ペア:

[(1, 21284362), (2, 10642181), (11, 1934942), (22, 967471), (419, 50798), (838, 25399), (2309, 9218), (4609, 4618)]