21019035841

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{166207}}^1$

素因数の和:166440

約数の個数: 16

約数和(自身を含む): 22904792064

約数和(自身を除く): 1885756223

約数列:

[1, 17, 43, 173, 731, 2941, 7439, 126463, 166207, 2825519, 7146901, 28753811, 121497317, 488814787, 1236413873, 21019035841]

約数ペア:

[(1, 21019035841), (17, 1236413873), (43, 488814787), (173, 121497317), (731, 28753811), (2941, 7146901), (7439, 2825519), (126463, 166207)]