21115230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1301}}^1$

素因数の和:1852

約数の個数: 32

約数和(自身を含む): 50809248

約数和(自身を除く): 29694018

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 541, 1082, 1301, 1623, 2602, 2705, 3246, 3903, 5410, 6505, 7806, 8115, 13010, 16230, 19515, 39030, 703841, 1407682, 2111523, 3519205, 4223046, 7038410, 10557615, 21115230]

約数ペア:

[(1, 21115230), (2, 10557615), (3, 7038410), (5, 4223046), (6, 3519205), (10, 2111523), (15, 1407682), (30, 703841), (541, 39030), (1082, 19515), (1301, 16230), (1623, 13010), (2602, 8115), (2705, 7806), (3246, 6505), (3903, 5410)]