21094630

素因数分解:

$2^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{6373}}^1$

素因数の和:6711

約数の個数: 16

約数和(自身を含む): 38091024

約数和(自身を除く): 16996394

約数列:

[1, 2, 5, 10, 331, 662, 1655, 3310, 6373, 12746, 31865, 63730, 2109463, 4218926, 10547315, 21094630]

約数ペア:

[(1, 21094630), (2, 10547315), (5, 4218926), (10, 2109463), (331, 63730), (662, 31865), (1655, 12746), (3310, 6373)]