21091206

素因数分解:

$2^1\times 3^1\times {\mathrm{181}}^1\times {\mathrm{19421}}^1$

素因数の和:19607

約数の個数: 16

約数和(自身を含む): 42417648

約数和(自身を除く): 21326442

約数列:

[1, 2, 3, 6, 181, 362, 543, 1086, 19421, 38842, 58263, 116526, 3515201, 7030402, 10545603, 21091206]

約数ペア:

[(1, 21091206), (2, 10545603), (3, 7030402), (6, 3515201), (181, 116526), (362, 58263), (543, 38842), (1086, 19421)]