21630165

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{35171}}^1$

素因数の和:35220

約数の個数: 16

約数和(自身を含む): 35453376

約数和(自身を除く): 13823211

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 35171, 105513, 175855, 527565, 1442011, 4326033, 7210055, 21630165]

約数ペア:

[(1, 21630165), (3, 7210055), (5, 4326033), (15, 1442011), (41, 527565), (123, 175855), (205, 105513), (615, 35171)]