21242022020

素因数分解:

$2^2\times 5^1\times {\mathrm{859}}^1\times {\mathrm{1236439}}^1$

素因数の和:1237307

約数の個数: 24

約数和(自身を含む): 44660212800

約数和(自身を除く): 23418190780

約数列:

[1, 2, 4, 5, 10, 20, 859, 1718, 3436, 4295, 8590, 17180, 1236439, 2472878, 4945756, 6182195, 12364390, 24728780, 1062101101, 2124202202, 4248404404, 5310505505, 10621011010, 21242022020]

約数ペア:

[(1, 21242022020), (2, 10621011010), (4, 5310505505), (5, 4248404404), (10, 2124202202), (20, 1062101101), (859, 24728780), (1718, 12364390), (3436, 6182195), (4295, 4945756), (8590, 2472878), (17180, 1236439)]