21201052197

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{3216667}}^1$

素因数の和:3216709

約数の個数: 16

約数和(自身を含む): 30622679360

約数和(自身を除く): 9421627163

約数列:

[1, 3, 13, 39, 169, 507, 2197, 6591, 3216667, 9650001, 41816671, 125450013, 543616723, 1630850169, 7067017399, 21201052197]

約数ペア:

[(1, 21201052197), (3, 7067017399), (13, 1630850169), (39, 543616723), (169, 125450013), (507, 41816671), (2197, 9650001), (6591, 3216667)]