21851145

素因数分解:

$3^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1753}}^1$

素因数の和:2041

約数の個数: 24

約数和(自身を含む): 38033736

約数和(自身を除く): 16182591

約数列:

[1, 3, 5, 9, 15, 45, 277, 831, 1385, 1753, 2493, 4155, 5259, 8765, 12465, 15777, 26295, 78885, 485581, 1456743, 2427905, 4370229, 7283715, 21851145]

約数ペア:

[(1, 21851145), (3, 7283715), (5, 4370229), (9, 2427905), (15, 1456743), (45, 485581), (277, 78885), (831, 26295), (1385, 15777), (1753, 12465), (2493, 8765), (4155, 5259)]