21495420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{119419}}^1$

素因数の和:119434

約数の個数: 36

約数和(自身を含む): 65203320

約数和(自身を除く): 43707900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 119419, 238838, 358257, 477676, 597095, 716514, 1074771, 1194190, 1433028, 1791285, 2149542, 2388380, 3582570, 4299084, 5373855, 7165140, 10747710, 21495420]

約数ペア:

[(1, 21495420), (2, 10747710), (3, 7165140), (4, 5373855), (5, 4299084), (6, 3582570), (9, 2388380), (10, 2149542), (12, 1791285), (15, 1433028), (18, 1194190), (20, 1074771), (30, 716514), (36, 597095), (45, 477676), (60, 358257), (90, 238838), (180, 119419)]