21494733

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{10399}}^1$

素因数の和:10468

約数の個数: 16

約数和(自身を含む): 31449600

約数和(自身を除く): 9954867

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 10399, 31197, 135187, 405561, 551147, 1653441, 7164911, 21494733]

約数ペア:

[(1, 21494733), (3, 7164911), (13, 1653441), (39, 551147), (53, 405561), (159, 135187), (689, 31197), (2067, 10399)]