21643624

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{37061}}^1$

素因数の和:37140

約数の個数: 16

約数和(自身を含む): 41138820

約数和(自身を除く): 19495196

約数列:

[1, 2, 4, 8, 73, 146, 292, 584, 37061, 74122, 148244, 296488, 2705453, 5410906, 10821812, 21643624]

約数ペア:

[(1, 21643624), (2, 10821812), (4, 5410906), (8, 2705453), (73, 296488), (146, 148244), (292, 74122), (584, 37061)]