21624265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{6277}}^1$

素因数の和:6348

約数の個数: 16

約数和(自身を含む): 28477008

約数和(自身を除く): 6852743

約数列:

[1, 5, 13, 53, 65, 265, 689, 3445, 6277, 31385, 81601, 332681, 408005, 1663405, 4324853, 21624265]

約数ペア:

[(1, 21624265), (5, 4324853), (13, 1663405), (53, 408005), (65, 332681), (265, 81601), (689, 31385), (3445, 6277)]