21615661623

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{163}}^2\times {\mathrm{1951}}^1$

素因数の和:2419

約数の個数: 24

約数和(自身を含む): 29222376960

約数和(自身を除く): 7606715337

約数列:

[1, 3, 139, 163, 417, 489, 1951, 5853, 22657, 26569, 67971, 79707, 271189, 318013, 813567, 954039, 3693091, 11079273, 44203807, 51836119, 132611421, 155508357, 7205220541, 21615661623]

約数ペア:

[(1, 21615661623), (3, 7205220541), (139, 155508357), (163, 132611421), (417, 51836119), (489, 44203807), (1951, 11079273), (5853, 3693091), (22657, 954039), (26569, 813567), (67971, 318013), (79707, 271189)]