21567165

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{46381}}^1$

素因数の和:46420

約数の個数: 16

約数和(自身を含む): 35621376

約数和(自身を除く): 14054211

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 46381, 139143, 231905, 695715, 1437811, 4313433, 7189055, 21567165]

約数ペア:

[(1, 21567165), (3, 7189055), (5, 4313433), (15, 1437811), (31, 695715), (93, 231905), (155, 139143), (465, 46381)]