21843747

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1327}}^1$

素因数の和:1423

約数の個数: 24

約数和(自身を含む): 33146880

約数和(自身を除く): 11303133

約数列:

[1, 3, 9, 31, 59, 93, 177, 279, 531, 1327, 1829, 3981, 5487, 11943, 16461, 41137, 78293, 123411, 234879, 370233, 704637, 2427083, 7281249, 21843747]

約数ペア:

[(1, 21843747), (3, 7281249), (9, 2427083), (31, 704637), (59, 370233), (93, 234879), (177, 123411), (279, 78293), (531, 41137), (1327, 16461), (1829, 11943), (3981, 5487)]