21810412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{7109}}^1$

素因数の和:7185

約数の個数: 24

約数和(自身を含む): 41806800

約数和(自身を除く): 19996388

約数列:

[1, 2, 4, 13, 26, 52, 59, 118, 236, 767, 1534, 3068, 7109, 14218, 28436, 92417, 184834, 369668, 419431, 838862, 1677724, 5452603, 10905206, 21810412]

約数ペア:

[(1, 21810412), (2, 10905206), (4, 5452603), (13, 1677724), (26, 838862), (52, 419431), (59, 369668), (118, 184834), (236, 92417), (767, 28436), (1534, 14218), (3068, 7109)]