21446019

素因数分解:

$3^3\times 7^1\times {\mathrm{233}}^1\times {\mathrm{487}}^1$

素因数の和:736

約数の個数: 32

約数和(自身を含む): 36541440

約数和(自身を除く): 15095421

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 233, 487, 699, 1461, 1631, 2097, 3409, 4383, 4893, 6291, 10227, 13149, 14679, 30681, 44037, 92043, 113471, 340413, 794297, 1021239, 2382891, 3063717, 7148673, 21446019]

約数ペア:

[(1, 21446019), (3, 7148673), (7, 3063717), (9, 2382891), (21, 1021239), (27, 794297), (63, 340413), (189, 113471), (233, 92043), (487, 44037), (699, 30681), (1461, 14679), (1631, 13149), (2097, 10227), (3409, 6291), (4383, 4893)]