21210254

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1021}}^1$

素因数の和:1100

約数の個数: 32

約数和(自身を含む): 37086336

約数和(自身を除く): 15876082

約数列:

[1, 2, 13, 17, 26, 34, 47, 94, 221, 442, 611, 799, 1021, 1222, 1598, 2042, 10387, 13273, 17357, 20774, 26546, 34714, 47987, 95974, 225641, 451282, 623831, 815779, 1247662, 1631558, 10605127, 21210254]

約数ペア:

[(1, 21210254), (2, 10605127), (13, 1631558), (17, 1247662), (26, 815779), (34, 623831), (47, 451282), (94, 225641), (221, 95974), (442, 47987), (611, 34714), (799, 26546), (1021, 20774), (1222, 17357), (1598, 13273), (2042, 10387)]