21868953

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{1889}}^1$

素因数の和:2136

約数の個数: 16

約数和(自身を含む): 31026240

約数和(自身を除く): 9157287

約数列:

[1, 3, 17, 51, 227, 681, 1889, 3859, 5667, 11577, 32113, 96339, 428803, 1286409, 7289651, 21868953]

約数ペア:

[(1, 21868953), (3, 7289651), (17, 1286409), (51, 428803), (227, 96339), (681, 32113), (1889, 11577), (3859, 5667)]