2121615815

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{823}}^1\times {\mathrm{4261}}^1$

素因数の和:5111

約数の個数: 24

約数和(自身を含む): 2802486624

約数和(自身を除く): 680870809

約数列:

[1, 5, 11, 55, 121, 605, 823, 4115, 4261, 9053, 21305, 45265, 46871, 99583, 234355, 497915, 515581, 2577905, 3506803, 17534015, 38574833, 192874165, 424323163, 2121615815]

約数ペア:

[(1, 2121615815), (5, 424323163), (11, 192874165), (55, 38574833), (121, 17534015), (605, 3506803), (823, 2577905), (4115, 515581), (4261, 497915), (9053, 234355), (21305, 99583), (45265, 46871)]