21468172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{1229}}^1$

素因数の和:1641

約数の個数: 24

約数和(自身を含む): 41121360

約数和(自身を除く): 19653188

約数列:

[1, 2, 4, 11, 22, 44, 397, 794, 1229, 1588, 2458, 4367, 4916, 8734, 13519, 17468, 27038, 54076, 487913, 975826, 1951652, 5367043, 10734086, 21468172]

約数ペア:

[(1, 21468172), (2, 10734086), (4, 5367043), (11, 1951652), (22, 975826), (44, 487913), (397, 54076), (794, 27038), (1229, 17468), (1588, 13519), (2458, 8734), (4367, 4916)]