21710804

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{5021}}^1$

素因数の和:5095

約数の個数: 24

約数和(自身を含む): 40497408

約数和(自身を除く): 18786604

約数列:

[1, 2, 4, 23, 46, 47, 92, 94, 188, 1081, 2162, 4324, 5021, 10042, 20084, 115483, 230966, 235987, 461932, 471974, 943948, 5427701, 10855402, 21710804]

約数ペア:

[(1, 21710804), (2, 10855402), (4, 5427701), (23, 943948), (46, 471974), (47, 461932), (92, 235987), (94, 230966), (188, 115483), (1081, 20084), (2162, 10042), (4324, 5021)]