21434535

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28019}}^1$

素因数の和:28047

約数の個数: 24

約数和(自身を含む): 39340080

約数和(自身を除く): 17905545

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 28019, 84057, 140095, 252171, 420285, 476323, 1260855, 1428969, 2381615, 4286907, 7144845, 21434535]

約数ペア:

[(1, 21434535), (3, 7144845), (5, 4286907), (9, 2381615), (15, 1428969), (17, 1260855), (45, 476323), (51, 420285), (85, 252171), (153, 140095), (255, 84057), (765, 28019)]