21318252

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{16603}}^1$

素因数の和:16717

約数の個数: 24

約数和(自身を含む): 50210496

約数和(自身を除く): 28892244

約数列:

[1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 642, 1284, 16603, 33206, 49809, 66412, 99618, 199236, 1776521, 3553042, 5329563, 7106084, 10659126, 21318252]

約数ペア:

[(1, 21318252), (2, 10659126), (3, 7106084), (4, 5329563), (6, 3553042), (12, 1776521), (107, 199236), (214, 99618), (321, 66412), (428, 49809), (642, 33206), (1284, 16603)]