21174380

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{14503}}^1$

素因数の和:14585

約数の個数: 24

約数和(自身を含む): 45078432

約数和(自身を除く): 23904052

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 14503, 29006, 58012, 72515, 145030, 290060, 1058719, 2117438, 4234876, 5293595, 10587190, 21174380]

約数ペア:

[(1, 21174380), (2, 10587190), (4, 5293595), (5, 4234876), (10, 2117438), (20, 1058719), (73, 290060), (146, 145030), (292, 72515), (365, 58012), (730, 29006), (1460, 14503)]