21149340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{352489}}^1$

素因数の和:352501

約数の個数: 24

約数和(自身を含む): 59218320

約数和(自身を除く): 38068980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 352489, 704978, 1057467, 1409956, 1762445, 2114934, 3524890, 4229868, 5287335, 7049780, 10574670, 21149340]

約数ペア:

[(1, 21149340), (2, 10574670), (3, 7049780), (4, 5287335), (5, 4229868), (6, 3524890), (10, 2114934), (12, 1762445), (15, 1409956), (20, 1057467), (30, 704978), (60, 352489)]