21646948

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{1123}}^1$

素因数の和:1267

約数の個数: 24

約数和(自身を含む): 39025280

約数和(自身を除く): 17378332

約数列:

[1, 2, 4, 61, 79, 122, 158, 244, 316, 1123, 2246, 4492, 4819, 9638, 19276, 68503, 88717, 137006, 177434, 274012, 354868, 5411737, 10823474, 21646948]

約数ペア:

[(1, 21646948), (2, 10823474), (4, 5411737), (61, 354868), (79, 274012), (122, 177434), (158, 137006), (244, 88717), (316, 68503), (1123, 19276), (2246, 9638), (4492, 4819)]