20853870051

素因数分解:

$3^1\times 7^1\times {\mathrm{9349}}^1\times {\mathrm{106219}}^1$

素因数の和:115578

約数の個数: 16

約数和(自身を含む): 31781024000

約数和(自身を除く): 10927153949

約数列:

[1, 3, 7, 21, 9349, 28047, 65443, 106219, 196329, 318657, 743533, 2230599, 993041431, 2979124293, 6951290017, 20853870051]

約数ペア:

[(1, 20853870051), (3, 6951290017), (7, 2979124293), (21, 993041431), (9349, 2230599), (28047, 743533), (65443, 318657), (106219, 196329)]