21103476790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4461623}}^1$

素因数の和:4461684

約数の個数: 32

約数和(自身を含む): 42403274496

約数和(自身を除く): 21299797706

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4730, 4461623, 8923246, 22308115, 44616230, 49077853, 98155706, 191849789, 245389265, 383699578, 490778530, 959248945, 1918497890, 2110347679, 4220695358, 10551738395, 21103476790]

約数ペア:

[(1, 21103476790), (2, 10551738395), (5, 4220695358), (10, 2110347679), (11, 1918497890), (22, 959248945), (43, 490778530), (55, 383699578), (86, 245389265), (110, 191849789), (215, 98155706), (430, 49077853), (473, 44616230), (946, 22308115), (2365, 8923246), (4730, 4461623)]