21027433

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4273}}^1$

素因数の和:4336

約数の個数: 16

約数和(自身を含む): 25985920

約数和(自身を除く): 4958487

約数列:

[1, 7, 19, 37, 133, 259, 703, 4273, 4921, 29911, 81187, 158101, 568309, 1106707, 3003919, 21027433]

約数ペア:

[(1, 21027433), (7, 3003919), (19, 1106707), (37, 568309), (133, 158101), (259, 81187), (703, 29911), (4273, 4921)]