21778816

素因数分解:

$2^7\times {\mathrm{229}}^1\times {\mathrm{743}}^1$

素因数の和:986

約数の個数: 32

約数和(自身を含む): 43635600

約数和(自身を除く): 21856784

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 229, 458, 743, 916, 1486, 1832, 2972, 3664, 5944, 7328, 11888, 14656, 23776, 29312, 47552, 95104, 170147, 340294, 680588, 1361176, 2722352, 5444704, 10889408, 21778816]

約数ペア:

[(1, 21778816), (2, 10889408), (4, 5444704), (8, 2722352), (16, 1361176), (32, 680588), (64, 340294), (128, 170147), (229, 95104), (458, 47552), (743, 29312), (916, 23776), (1486, 14656), (1832, 11888), (2972, 7328), (3664, 5944)]