2051270408

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{20981}}^1$

素因数の和:21110

約数の個数: 48

約数和(自身を含む): 4269627180

約数和(自身を除く): 2218356772

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 101, 121, 202, 242, 404, 484, 808, 968, 1111, 2222, 4444, 8888, 12221, 20981, 24442, 41962, 48884, 83924, 97768, 167848, 230791, 461582, 923164, 1846328, 2119081, 2538701, 4238162, 5077402, 8476324, 10154804, 16952648, 20309608, 23309891, 46619782, 93239564, 186479128, 256408801, 512817602, 1025635204, 2051270408]

約数ペア:

[(1, 2051270408), (2, 1025635204), (4, 512817602), (8, 256408801), (11, 186479128), (22, 93239564), (44, 46619782), (88, 23309891), (101, 20309608), (121, 16952648), (202, 10154804), (242, 8476324), (404, 5077402), (484, 4238162), (808, 2538701), (968, 2119081), (1111, 1846328), (2222, 923164), (4444, 461582), (8888, 230791), (12221, 167848), (20981, 97768), (24442, 83924), (41962, 48884)]