21494420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{46727}}^1$

素因数の和:46759

約数の個数: 24

約数和(自身を含む): 47101824

約数和(自身を除く): 25607404

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 46727, 93454, 186908, 233635, 467270, 934540, 1074721, 2149442, 4298884, 5373605, 10747210, 21494420]

約数ペア:

[(1, 21494420), (2, 10747210), (4, 5373605), (5, 4298884), (10, 2149442), (20, 1074721), (23, 934540), (46, 467270), (92, 233635), (115, 186908), (230, 93454), (460, 46727)]