21435778

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{117779}}^1$

素因数の和:117801

約数の個数: 16

約数和(自身を含む): 39574080

約数和(自身を除く): 18138302

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 117779, 235558, 824453, 1531127, 1648906, 3062254, 10717889, 21435778]

約数ペア:

[(1, 21435778), (2, 10717889), (7, 3062254), (13, 1648906), (14, 1531127), (26, 824453), (91, 235558), (182, 117779)]