21581994

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{1621}}^1$

素因数の和:1950

約数の個数: 32

約数和(自身を含む): 49516416

約数和(自身を除く): 27934422

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 317, 634, 951, 1621, 1902, 2219, 3242, 4438, 4863, 6657, 9726, 11347, 13314, 22694, 34041, 68082, 513857, 1027714, 1541571, 3083142, 3596999, 7193998, 10790997, 21581994]

約数ペア:

[(1, 21581994), (2, 10790997), (3, 7193998), (6, 3596999), (7, 3083142), (14, 1541571), (21, 1027714), (42, 513857), (317, 68082), (634, 34041), (951, 22694), (1621, 13314), (1902, 11347), (2219, 9726), (3242, 6657), (4438, 4863)]