21967792

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1621}}^1$

素因数の和:1658

約数の個数: 60

約数和(自身を含む): 53500048

約数和(自身を除く): 31532256

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 121, 154, 176, 242, 308, 484, 616, 847, 968, 1232, 1621, 1694, 1936, 3242, 3388, 6484, 6776, 11347, 12968, 13552, 17831, 22694, 25936, 35662, 45388, 71324, 90776, 124817, 142648, 181552, 196141, 249634, 285296, 392282, 499268, 784564, 998536, 1372987, 1569128, 1997072, 2745974, 3138256, 5491948, 10983896, 21967792]

約数ペア:

[(1, 21967792), (2, 10983896), (4, 5491948), (7, 3138256), (8, 2745974), (11, 1997072), (14, 1569128), (16, 1372987), (22, 998536), (28, 784564), (44, 499268), (56, 392282), (77, 285296), (88, 249634), (112, 196141), (121, 181552), (154, 142648), (176, 124817), (242, 90776), (308, 71324), (484, 45388), (616, 35662), (847, 25936), (968, 22694), (1232, 17831), (1621, 13552), (1694, 12968), (1936, 11347), (3242, 6776), (3388, 6484)]