21876314061

素因数分解:

$3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{1365307}}^1$

素因数の和:1365433

約数の個数: 24

約数和(自身を含む): 34241924640

約数和(自身を除く): 12365610579

約数列:

[1, 3, 7, 21, 49, 109, 147, 327, 763, 2289, 5341, 16023, 1365307, 4095921, 9557149, 28671447, 66900043, 148818463, 200700129, 446455389, 1041729241, 3125187723, 7292104687, 21876314061]

約数ペア:

[(1, 21876314061), (3, 7292104687), (7, 3125187723), (21, 1041729241), (49, 446455389), (109, 200700129), (147, 148818463), (327, 66900043), (763, 28671447), (2289, 9557149), (5341, 4095921), (16023, 1365307)]