21424412

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{349}}^1$

素因数の和:605

約数の個数: 24

約数和(自身を含む): 38220000

約数和(自身を除く): 16795588

約数列:

[1, 2, 4, 103, 149, 206, 298, 349, 412, 596, 698, 1396, 15347, 30694, 35947, 52001, 61388, 71894, 104002, 143788, 208004, 5356103, 10712206, 21424412]

約数ペア:

[(1, 21424412), (2, 10712206), (4, 5356103), (103, 208004), (149, 143788), (206, 104002), (298, 71894), (349, 61388), (412, 52001), (596, 35947), (698, 30694), (1396, 15347)]