21267843

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{1459}}^1$

素因数の和:1618

約数の個数: 16

約数和(自身を含む): 29293440

約数和(自身を除く): 8025597

約数列:

[1, 3, 43, 113, 129, 339, 1459, 4377, 4859, 14577, 62737, 164867, 188211, 494601, 7089281, 21267843]

約数ペア:

[(1, 21267843), (3, 7089281), (43, 494601), (113, 188211), (129, 164867), (339, 62737), (1459, 14577), (4377, 4859)]