21053640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{175447}}^1$

素因数の和:175461

約数の個数: 32

約数和(自身を含む): 63161280

約数和(自身を除く): 42107640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 175447, 350894, 526341, 701788, 877235, 1052682, 1403576, 1754470, 2105364, 2631705, 3508940, 4210728, 5263410, 7017880, 10526820, 21053640]

約数ペア:

[(1, 21053640), (2, 10526820), (3, 7017880), (4, 5263410), (5, 4210728), (6, 3508940), (8, 2631705), (10, 2105364), (12, 1754470), (15, 1403576), (20, 1052682), (24, 877235), (30, 701788), (40, 526341), (60, 350894), (120, 175447)]