21851163

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:579

約数の個数: 24

約数和(自身を含む): 32477120

約数和(自身を除く): 10625957

約数列:

[1, 3, 9, 73, 79, 219, 237, 421, 657, 711, 1263, 3789, 5767, 17301, 30733, 33259, 51903, 92199, 99777, 276597, 299331, 2427907, 7283721, 21851163]

約数ペア:

[(1, 21851163), (3, 7283721), (9, 2427907), (73, 299331), (79, 276597), (219, 99777), (237, 92199), (421, 51903), (657, 33259), (711, 30733), (1263, 17301), (3789, 5767)]