21804140

素因数分解:

$2^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{4679}}^1$

素因数の和:4921

約数の個数: 24

約数和(自身を含む): 45995040

約数和(自身を除く): 24190900

約数列:

[1, 2, 4, 5, 10, 20, 233, 466, 932, 1165, 2330, 4660, 4679, 9358, 18716, 23395, 46790, 93580, 1090207, 2180414, 4360828, 5451035, 10902070, 21804140]

約数ペア:

[(1, 21804140), (2, 10902070), (4, 5451035), (5, 4360828), (10, 2180414), (20, 1090207), (233, 93580), (466, 46790), (932, 23395), (1165, 18716), (2330, 9358), (4660, 4679)]