212318810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{821}}^1\times {\mathrm{2351}}^1$

素因数の和:3190

約数の個数: 32

約数和(自身を含む): 417602304

約数和(自身を除く): 205283494

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 821, 1642, 2351, 4105, 4702, 8210, 9031, 11755, 18062, 23510, 25861, 45155, 51722, 90310, 129305, 258610, 1930171, 3860342, 9650855, 19301710, 21231881, 42463762, 106159405, 212318810]

約数ペア:

[(1, 212318810), (2, 106159405), (5, 42463762), (10, 21231881), (11, 19301710), (22, 9650855), (55, 3860342), (110, 1930171), (821, 258610), (1642, 129305), (2351, 90310), (4105, 51722), (4702, 45155), (8210, 25861), (9031, 23510), (11755, 18062)]