21059586

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:455

約数の個数: 48

約数和(自身を含む): 47471424

約数和(自身を除く): 26411838

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 103, 111, 206, 222, 307, 309, 333, 614, 618, 666, 921, 927, 1842, 1854, 2763, 3811, 5526, 7622, 11359, 11433, 22718, 22866, 31621, 34077, 34299, 63242, 68154, 68598, 94863, 102231, 189726, 204462, 284589, 569178, 1169977, 2339954, 3509931, 7019862, 10529793, 21059586]

約数ペア:

[(1, 21059586), (2, 10529793), (3, 7019862), (6, 3509931), (9, 2339954), (18, 1169977), (37, 569178), (74, 284589), (103, 204462), (111, 189726), (206, 102231), (222, 94863), (307, 68598), (309, 68154), (333, 63242), (614, 34299), (618, 34077), (666, 31621), (921, 22866), (927, 22718), (1842, 11433), (1854, 11359), (2763, 7622), (3811, 5526)]