21851643

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{1619}}^1$

素因数の和:2042

約数の個数: 16

約数和(自身を含む): 31881600

約数和(自身を除く): 10029957

約数列:

[1, 3, 11, 33, 409, 1227, 1619, 4499, 4857, 13497, 17809, 53427, 662171, 1986513, 7283881, 21851643]

約数ペア:

[(1, 21851643), (3, 7283881), (11, 1986513), (33, 662171), (409, 53427), (1227, 17809), (1619, 13497), (4499, 4857)]