21717644

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{2803}}^1$

素因数の和:2969

約数の個数: 24

約数和(自身を含む): 41218800

約数和(自身を除く): 19501156

約数列:

[1, 2, 4, 13, 26, 52, 149, 298, 596, 1937, 2803, 3874, 5606, 7748, 11212, 36439, 72878, 145756, 417647, 835294, 1670588, 5429411, 10858822, 21717644]

約数ペア:

[(1, 21717644), (2, 10858822), (4, 5429411), (13, 1670588), (26, 835294), (52, 417647), (149, 145756), (298, 72878), (596, 36439), (1937, 11212), (2803, 7748), (3874, 5606)]