21474948

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4397}}^1$

素因数の和:4452

約数の個数: 48

約数和(自身を含む): 56153664

約数和(自身を除く): 34678716

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 37, 44, 66, 74, 111, 132, 148, 222, 407, 444, 814, 1221, 1628, 2442, 4397, 4884, 8794, 13191, 17588, 26382, 48367, 52764, 96734, 145101, 162689, 193468, 290202, 325378, 488067, 580404, 650756, 976134, 1789579, 1952268, 3579158, 5368737, 7158316, 10737474, 21474948]

約数ペア:

[(1, 21474948), (2, 10737474), (3, 7158316), (4, 5368737), (6, 3579158), (11, 1952268), (12, 1789579), (22, 976134), (33, 650756), (37, 580404), (44, 488067), (66, 325378), (74, 290202), (111, 193468), (132, 162689), (148, 145101), (222, 96734), (407, 52764), (444, 48367), (814, 26382), (1221, 17588), (1628, 13191), (2442, 8794), (4397, 4884)]