21530892

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{683}}^1$

素因数の和:798

約数の個数: 48

約数和(自身を含む): 52399872

約数和(自身を除く): 30868980

約数列:

[1, 2, 3, 4, 6, 12, 37, 71, 74, 111, 142, 148, 213, 222, 284, 426, 444, 683, 852, 1366, 2049, 2627, 2732, 4098, 5254, 7881, 8196, 10508, 15762, 25271, 31524, 48493, 50542, 75813, 96986, 101084, 145479, 151626, 193972, 290958, 303252, 581916, 1794241, 3588482, 5382723, 7176964, 10765446, 21530892]

約数ペア:

[(1, 21530892), (2, 10765446), (3, 7176964), (4, 5382723), (6, 3588482), (12, 1794241), (37, 581916), (71, 303252), (74, 290958), (111, 193972), (142, 151626), (148, 145479), (213, 101084), (222, 96986), (284, 75813), (426, 50542), (444, 48493), (683, 31524), (852, 25271), (1366, 15762), (2049, 10508), (2627, 8196), (2732, 7881), (4098, 5254)]