21349140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{355819}}^1$

素因数の和:355831

約数の個数: 24

約数和(自身を含む): 59777760

約数和(自身を除く): 38428620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 355819, 711638, 1067457, 1423276, 1779095, 2134914, 3558190, 4269828, 5337285, 7116380, 10674570, 21349140]

約数ペア:

[(1, 21349140), (2, 10674570), (3, 7116380), (4, 5337285), (5, 4269828), (6, 3558190), (10, 2134914), (12, 1779095), (15, 1423276), (20, 1067457), (30, 711638), (60, 355819)]