21330894

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{273473}}^1$

素因数の和:273491

約数の個数: 16

約数和(自身を含む): 45943632

約数和(自身を除く): 24612738

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 273473, 546946, 820419, 1640838, 3555149, 7110298, 10665447, 21330894]

約数ペア:

[(1, 21330894), (2, 10665447), (3, 7110298), (6, 3555149), (13, 1640838), (26, 820419), (39, 546946), (78, 273473)]