21460244

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{1327}}^1$

素因数の和:1655

約数の個数: 24

約数和(自身を含む): 40604928

約数和(自身を除く): 19144684

約数列:

[1, 2, 4, 13, 26, 52, 311, 622, 1244, 1327, 2654, 4043, 5308, 8086, 16172, 17251, 34502, 69004, 412697, 825394, 1650788, 5365061, 10730122, 21460244]

約数ペア:

[(1, 21460244), (2, 10730122), (4, 5365061), (13, 1650788), (26, 825394), (52, 412697), (311, 69004), (622, 34502), (1244, 17251), (1327, 16172), (2654, 8086), (4043, 5308)]