21807152

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{14051}}^1$

素因数の和:14156

約数の個数: 20

約数和(自身を含む): 42689976

約数和(自身を除く): 20882824

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 14051, 28102, 56204, 112408, 224816, 1362947, 2725894, 5451788, 10903576, 21807152]

約数ペア:

[(1, 21807152), (2, 10903576), (4, 5451788), (8, 2725894), (16, 1362947), (97, 224816), (194, 112408), (388, 56204), (776, 28102), (1552, 14051)]