21186267

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{3271}}^1$

素因数の和:3418

約数の個数: 16

約数和(自身を含む): 30154752

約数和(自身を除く): 8968485

約数列:

[1, 3, 17, 51, 127, 381, 2159, 3271, 6477, 9813, 55607, 166821, 415417, 1246251, 7062089, 21186267]

約数ペア:

[(1, 21186267), (3, 7062089), (17, 1246251), (51, 415417), (127, 166821), (381, 55607), (2159, 9813), (3271, 6477)]