22165550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:425

約数の個数: 48

約数和(自身を含む): 45425664

約数和(自身を除く): 23260114

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 191, 211, 275, 382, 422, 550, 955, 1055, 1910, 2101, 2110, 2321, 4202, 4642, 4775, 5275, 9550, 10505, 10550, 11605, 21010, 23210, 40301, 52525, 58025, 80602, 105050, 116050, 201505, 403010, 443311, 886622, 1007525, 2015050, 2216555, 4433110, 11082775, 22165550]

約数ペア:

[(1, 22165550), (2, 11082775), (5, 4433110), (10, 2216555), (11, 2015050), (22, 1007525), (25, 886622), (50, 443311), (55, 403010), (110, 201505), (191, 116050), (211, 105050), (275, 80602), (382, 58025), (422, 52525), (550, 40301), (955, 23210), (1055, 21010), (1910, 11605), (2101, 10550), (2110, 10505), (2321, 9550), (4202, 5275), (4642, 4775)]