21310192

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{13187}}^1$

素因数の和:13296

約数の個数: 20

約数和(自身を含む): 41700456

約数和(自身を除く): 20390264

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 13187, 26374, 52748, 105496, 210992, 1331887, 2663774, 5327548, 10655096, 21310192]

約数ペア:

[(1, 21310192), (2, 10655096), (4, 5327548), (8, 2663774), (16, 1331887), (101, 210992), (202, 105496), (404, 52748), (808, 26374), (1616, 13187)]