21957712

素因数分解:

$2^4\times 7^1\times {\mathrm{196051}}^1$

素因数の和:196066

約数の個数: 20

約数和(自身を含む): 48620896

約数和(自身を除く): 26663184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 196051, 392102, 784204, 1372357, 1568408, 2744714, 3136816, 5489428, 10978856, 21957712]

約数ペア:

[(1, 21957712), (2, 10978856), (4, 5489428), (7, 3136816), (8, 2744714), (14, 1568408), (16, 1372357), (28, 784204), (56, 392102), (112, 196051)]