21796540

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{4801}}^1$

素因数の和:5037

約数の個数: 24

約数和(自身を含む): 45983952

約数和(自身を除く): 24187412

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 4801, 9602, 19204, 24005, 48010, 96020, 1089827, 2179654, 4359308, 5449135, 10898270, 21796540]

約数ペア:

[(1, 21796540), (2, 10898270), (4, 5449135), (5, 4359308), (10, 2179654), (20, 1089827), (227, 96020), (454, 48010), (908, 24005), (1135, 19204), (2270, 9602), (4540, 4801)]