21518530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{3691}}^1$

素因数の和:3762

約数の個数: 32

約数和(自身を含む): 43063488

約数和(自身を除く): 21544958

約数列:

[1, 2, 5, 10, 11, 22, 53, 55, 106, 110, 265, 530, 583, 1166, 2915, 3691, 5830, 7382, 18455, 36910, 40601, 81202, 195623, 203005, 391246, 406010, 978115, 1956230, 2151853, 4303706, 10759265, 21518530]

約数ペア:

[(1, 21518530), (2, 10759265), (5, 4303706), (10, 2151853), (11, 1956230), (22, 978115), (53, 406010), (55, 391246), (106, 203005), (110, 195623), (265, 81202), (530, 40601), (583, 36910), (1166, 18455), (2915, 7382), (3691, 5830)]