21000322578

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1\times {\mathrm{133697}}^1$

素因数の和:134306

約数の個数: 32

約数和(自身を含む): 42971606784

約数和(自身を除く): 21971284206

約数列:

[1, 2, 3, 6, 47, 94, 141, 282, 557, 1114, 1671, 3342, 26179, 52358, 78537, 133697, 157074, 267394, 401091, 802182, 6283759, 12567518, 18851277, 37702554, 74469229, 148938458, 223407687, 446815374, 3500053763, 7000107526, 10500161289, 21000322578]

約数ペア:

[(1, 21000322578), (2, 10500161289), (3, 7000107526), (6, 3500053763), (47, 446815374), (94, 223407687), (141, 148938458), (282, 74469229), (557, 37702554), (1114, 18851277), (1671, 12567518), (3342, 6283759), (26179, 802182), (52358, 401091), (78537, 267394), (133697, 157074)]