2021808910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{181981}}^1$

素因数の和:182100

約数の個数: 32

約数和(自身を含む): 4009427424

約数和(自身を除く): 1987618514

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 505, 1010, 1111, 2222, 5555, 11110, 181981, 363962, 909905, 1819810, 2001791, 4003582, 10008955, 18380081, 20017910, 36760162, 91900405, 183800810, 202180891, 404361782, 1010904455, 2021808910]

約数ペア:

[(1, 2021808910), (2, 1010904455), (5, 404361782), (10, 202180891), (11, 183800810), (22, 91900405), (55, 36760162), (101, 20017910), (110, 18380081), (202, 10008955), (505, 4003582), (1010, 2001791), (1111, 1819810), (2222, 909905), (5555, 363962), (11110, 181981)]