21116706

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2791}}^1$

素因数の和:2906

約数の個数: 32

約数和(自身を含む): 45967488

約数和(自身を除く): 24850782

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 97, 194, 291, 582, 1261, 2522, 2791, 3783, 5582, 7566, 8373, 16746, 36283, 72566, 108849, 217698, 270727, 541454, 812181, 1624362, 3519451, 7038902, 10558353, 21116706]

約数ペア:

[(1, 21116706), (2, 10558353), (3, 7038902), (6, 3519451), (13, 1624362), (26, 812181), (39, 541454), (78, 270727), (97, 217698), (194, 108849), (291, 72566), (582, 36283), (1261, 16746), (2522, 8373), (2791, 7566), (3783, 5582)]