21691896

素因数分解:

$2^3\times 3^1\times {\mathrm{107}}^1\times {\mathrm{8447}}^1$

素因数の和:8563

約数の個数: 32

約数和(自身を含む): 54743040

約数和(自身を除く): 33051144

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 107, 214, 321, 428, 642, 856, 1284, 2568, 8447, 16894, 25341, 33788, 50682, 67576, 101364, 202728, 903829, 1807658, 2711487, 3615316, 5422974, 7230632, 10845948, 21691896]

約数ペア:

[(1, 21691896), (2, 10845948), (3, 7230632), (4, 5422974), (6, 3615316), (8, 2711487), (12, 1807658), (24, 903829), (107, 202728), (214, 101364), (321, 67576), (428, 50682), (642, 33788), (856, 25341), (1284, 16894), (2568, 8447)]