21573873

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1597}}^1$

素因数の和:1701

約数の個数: 24

約数和(自身を含む): 33238400

約数和(自身を除く): 11664527

約数列:

[1, 3, 9, 19, 57, 79, 171, 237, 711, 1501, 1597, 4503, 4791, 13509, 14373, 30343, 91029, 126163, 273087, 378489, 1135467, 2397097, 7191291, 21573873]

約数ペア:

[(1, 21573873), (3, 7191291), (9, 2397097), (19, 1135467), (57, 378489), (79, 273087), (171, 126163), (237, 91029), (711, 30343), (1501, 14373), (1597, 13509), (4503, 4791)]