21872948255

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{8873407}}^1$

素因数の和:8873458

約数の個数: 16

約数和(自身を含む): 28749841920

約数和(自身を除く): 6876893665

約数列:

[1, 5, 17, 29, 85, 145, 493, 2465, 8873407, 44367035, 150847919, 257328803, 754239595, 1286644015, 4374589651, 21872948255]

約数ペア:

[(1, 21872948255), (5, 4374589651), (17, 1286644015), (29, 754239595), (85, 257328803), (145, 150847919), (493, 44367035), (2465, 8873407)]