21680688

素因数分解:

$2^4\times 3^1\times {\mathrm{451681}}^1$

素因数の和:451692

約数の個数: 20

約数和(自身を含む): 56008568

約数和(自身を除く): 34327880

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 451681, 903362, 1355043, 1806724, 2710086, 3613448, 5420172, 7226896, 10840344, 21680688]

約数ペア:

[(1, 21680688), (2, 10840344), (3, 7226896), (4, 5420172), (6, 3613448), (8, 2710086), (12, 1806724), (16, 1355043), (24, 903362), (48, 451681)]