21365829

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{5693}}^1$

素因数の和:5841

約数の個数: 16

約数和(自身を含む): 31886400

約数和(自身を除く): 10520571

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 5693, 17079, 51237, 153711, 791327, 2373981, 7121943, 21365829]

約数ペア:

[(1, 21365829), (3, 7121943), (9, 2373981), (27, 791327), (139, 153711), (417, 51237), (1251, 17079), (3753, 5693)]