21453285

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{3463}}^1$

素因数の和:3537

約数の個数: 32

約数和(自身を含む): 39905280

約数和(自身を除く): 18451995

約数列:

[1, 3, 5, 7, 15, 21, 35, 59, 105, 177, 295, 413, 885, 1239, 2065, 3463, 6195, 10389, 17315, 24241, 51945, 72723, 121205, 204317, 363615, 612951, 1021585, 1430219, 3064755, 4290657, 7151095, 21453285]

約数ペア:

[(1, 21453285), (3, 7151095), (5, 4290657), (7, 3064755), (15, 1430219), (21, 1021585), (35, 612951), (59, 363615), (105, 204317), (177, 121205), (295, 72723), (413, 51945), (885, 24241), (1239, 17315), (2065, 10389), (3463, 6195)]