21747102

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{278809}}^1$

素因数の和:278827

約数の個数: 16

約数和(自身を含む): 46840080

約数和(自身を除く): 25092978

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 278809, 557618, 836427, 1672854, 3624517, 7249034, 10873551, 21747102]

約数ペア:

[(1, 21747102), (2, 10873551), (3, 7249034), (6, 3624517), (13, 1672854), (26, 836427), (39, 557618), (78, 278809)]