21584090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{821}}^1$

素因数の和:1078

約数の個数: 32

約数和(自身を含む): 42612480

約数和(自身を除く): 21028390

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 239, 478, 821, 1195, 1642, 2390, 2629, 4105, 5258, 8210, 9031, 13145, 18062, 26290, 45155, 90310, 196219, 392438, 981095, 1962190, 2158409, 4316818, 10792045, 21584090]

約数ペア:

[(1, 21584090), (2, 10792045), (5, 4316818), (10, 2158409), (11, 1962190), (22, 981095), (55, 392438), (110, 196219), (239, 90310), (478, 45155), (821, 26290), (1195, 18062), (1642, 13145), (2390, 9031), (2629, 8210), (4105, 5258)]