21117948

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{16447}}^1$

素因数の和:16561

約数の個数: 24

約数和(自身を含む): 49738752

約数和(自身を除く): 28620804

約数列:

[1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 642, 1284, 16447, 32894, 49341, 65788, 98682, 197364, 1759829, 3519658, 5279487, 7039316, 10558974, 21117948]

約数ペア:

[(1, 21117948), (2, 10558974), (3, 7039316), (4, 5279487), (6, 3519658), (12, 1759829), (107, 197364), (214, 98682), (321, 65788), (428, 49341), (642, 32894), (1284, 16447)]