21333688

素因数分解:

$2^3\times {\mathrm{1381}}^1\times {\mathrm{1931}}^1$

素因数の和:3318

約数の個数: 16

約数和(自身を含む): 40050360

約数和(自身を除く): 18716672

約数列:

[1, 2, 4, 8, 1381, 1931, 2762, 3862, 5524, 7724, 11048, 15448, 2666711, 5333422, 10666844, 21333688]

約数ペア:

[(1, 21333688), (2, 10666844), (4, 5333422), (8, 2666711), (1381, 15448), (1931, 11048), (2762, 7724), (3862, 5524)]