21208930

素因数分解:

$2^1\times 5^1\times {\mathrm{367}}^1\times {\mathrm{5779}}^1$

素因数の和:6153

約数の個数: 16

約数和(自身を含む): 38286720

約数和(自身を除く): 17077790

約数列:

[1, 2, 5, 10, 367, 734, 1835, 3670, 5779, 11558, 28895, 57790, 2120893, 4241786, 10604465, 21208930]

約数ペア:

[(1, 21208930), (2, 10604465), (5, 4241786), (10, 2120893), (367, 57790), (734, 28895), (1835, 11558), (3670, 5779)]