21756554930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11411}}^1\times {\mathrm{17333}}^1$

素因数の和:28762

約数の個数: 32

約数和(自身を含む): 42728171328

約数和(自身を除く): 20971616398

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 11411, 17333, 22822, 34666, 57055, 86665, 114110, 125521, 173330, 190663, 251042, 381326, 627605, 953315, 1255210, 1906630, 197786863, 395573726, 988934315, 1977868630, 2175655493, 4351310986, 10878277465, 21756554930]

約数ペア:

[(1, 21756554930), (2, 10878277465), (5, 4351310986), (10, 2175655493), (11, 1977868630), (22, 988934315), (55, 395573726), (110, 197786863), (11411, 1906630), (17333, 1255210), (22822, 953315), (34666, 627605), (57055, 381326), (86665, 251042), (114110, 190663), (125521, 173330)]