21272566

素因数分解:

$2^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{1657}}^1$

素因数の和:1804

約数の個数: 24

約数和(自身を含む): 37424376

約数和(自身を除く): 16151810

約数列:

[1, 2, 7, 14, 49, 98, 131, 262, 917, 1657, 1834, 3314, 6419, 11599, 12838, 23198, 81193, 162386, 217067, 434134, 1519469, 3038938, 10636283, 21272566]

約数ペア:

[(1, 21272566), (2, 10636283), (7, 3038938), (14, 1519469), (49, 434134), (98, 217067), (131, 162386), (262, 81193), (917, 23198), (1657, 12838), (1834, 11599), (3314, 6419)]