21929060

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15443}}^1$

素因数の和:15523

約数の個数: 24

約数和(自身を含む): 46702656

約数和(自身を除く): 24773596

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 15443, 30886, 61772, 77215, 154430, 308860, 1096453, 2192906, 4385812, 5482265, 10964530, 21929060]

約数ペア:

[(1, 21929060), (2, 10964530), (4, 5482265), (5, 4385812), (10, 2192906), (20, 1096453), (71, 308860), (142, 154430), (284, 77215), (355, 61772), (710, 30886), (1420, 15443)]