21103284

素因数分解:

$2^2\times 3^1\times {\mathrm{163}}^1\times {\mathrm{10789}}^1$

素因数の和:10959

約数の個数: 24

約数和(自身を含む): 49547680

約数和(自身を除く): 28444396

約数列:

[1, 2, 3, 4, 6, 12, 163, 326, 489, 652, 978, 1956, 10789, 21578, 32367, 43156, 64734, 129468, 1758607, 3517214, 5275821, 7034428, 10551642, 21103284]

約数ペア:

[(1, 21103284), (2, 10551642), (3, 7034428), (4, 5275821), (6, 3517214), (12, 1758607), (163, 129468), (326, 64734), (489, 43156), (652, 32367), (978, 21578), (1956, 10789)]