21616780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{46993}}^1$

素因数の和:47025

約数の個数: 24

約数和(自身を含む): 47369952

約数和(自身を除く): 25753172

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 46993, 93986, 187972, 234965, 469930, 939860, 1080839, 2161678, 4323356, 5404195, 10808390, 21616780]

約数ペア:

[(1, 21616780), (2, 10808390), (4, 5404195), (5, 4323356), (10, 2161678), (20, 1080839), (23, 939860), (46, 469930), (92, 234965), (115, 187972), (230, 93986), (460, 46993)]