21589299

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{347}}^1$

素因数の和:607

約数の個数: 24

約数和(自身を含む): 32428032

約数和(自身を除く): 10838733

約数列:

[1, 3, 9, 31, 93, 223, 279, 347, 669, 1041, 2007, 3123, 6913, 10757, 20739, 32271, 62217, 77381, 96813, 232143, 696429, 2398811, 7196433, 21589299]

約数ペア:

[(1, 21589299), (3, 7196433), (9, 2398811), (31, 696429), (93, 232143), (223, 96813), (279, 77381), (347, 62217), (669, 32271), (1041, 20739), (2007, 10757), (3123, 6913)]