21901946

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{347}}^1$

素因数の和:530

約数の個数: 32

約数和(自身を含む): 38085120

約数和(自身を除く): 16183174

約数列:

[1, 2, 11, 19, 22, 38, 151, 209, 302, 347, 418, 694, 1661, 2869, 3322, 3817, 5738, 6593, 7634, 13186, 31559, 52397, 63118, 72523, 104794, 145046, 576367, 995543, 1152734, 1991086, 10950973, 21901946]

約数ペア:

[(1, 21901946), (2, 10950973), (11, 1991086), (19, 1152734), (22, 995543), (38, 576367), (151, 145046), (209, 104794), (302, 72523), (347, 63118), (418, 52397), (694, 31559), (1661, 13186), (2869, 7634), (3322, 6593), (3817, 5738)]