21446000

素因数分解:

$2^4\times 5^3\times {\mathrm{10723}}^1$

素因数の和:10746

約数の個数: 40

約数和(自身を含む): 51861264

約数和(自身を除く): 30415264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 10723, 21446, 42892, 53615, 85784, 107230, 171568, 214460, 268075, 428920, 536150, 857840, 1072300, 1340375, 2144600, 2680750, 4289200, 5361500, 10723000, 21446000]

約数ペア:

[(1, 21446000), (2, 10723000), (4, 5361500), (5, 4289200), (8, 2680750), (10, 2144600), (16, 1340375), (20, 1072300), (25, 857840), (40, 536150), (50, 428920), (80, 268075), (100, 214460), (125, 171568), (200, 107230), (250, 85784), (400, 53615), (500, 42892), (1000, 21446), (2000, 10723)]