21341245

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{2777}}^1$

素因数の和:2864

約数の個数: 16

約数和(自身を含む): 27002160

約数和(自身を除く): 5660915

約数列:

[1, 5, 29, 53, 145, 265, 1537, 2777, 7685, 13885, 80533, 147181, 402665, 735905, 4268249, 21341245]

約数ペア:

[(1, 21341245), (5, 4268249), (29, 735905), (53, 402665), (145, 147181), (265, 80533), (1537, 13885), (2777, 7685)]