21042230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{821}}^1$

素因数の和:1072

約数の個数: 32

約数和(自身を含む): 41547168

約数和(自身を除く): 20504938

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 233, 466, 821, 1165, 1642, 2330, 2563, 4105, 5126, 8210, 9031, 12815, 18062, 25630, 45155, 90310, 191293, 382586, 956465, 1912930, 2104223, 4208446, 10521115, 21042230]

約数ペア:

[(1, 21042230), (2, 10521115), (5, 4208446), (10, 2104223), (11, 1912930), (22, 956465), (55, 382586), (110, 191293), (233, 90310), (466, 45155), (821, 25630), (1165, 18062), (1642, 12815), (2330, 9031), (2563, 8210), (4105, 5126)]