21474712

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20183}}^1$

素因数の和:20215

約数の個数: 32

約数和(自身を含む): 48441600

約数和(自身を除く): 26966888

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 20183, 40366, 80732, 141281, 161464, 282562, 383477, 565124, 766954, 1130248, 1533908, 2684339, 3067816, 5368678, 10737356, 21474712]

約数ペア:

[(1, 21474712), (2, 10737356), (4, 5368678), (7, 3067816), (8, 2684339), (14, 1533908), (19, 1130248), (28, 766954), (38, 565124), (56, 383477), (76, 282562), (133, 161464), (152, 141281), (266, 80732), (532, 40366), (1064, 20183)]