21494403

素因数分解:

$3^4\times 7^1\times {\mathrm{167}}^1\times {\mathrm{227}}^1$

素因数の和:413

約数の個数: 40

約数和(自身を含む): 37078272

約数和(自身を除く): 15583869

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 167, 189, 227, 501, 567, 681, 1169, 1503, 1589, 2043, 3507, 4509, 4767, 6129, 10521, 13527, 14301, 18387, 31563, 37909, 42903, 94689, 113727, 128709, 265363, 341181, 796089, 1023543, 2388267, 3070629, 7164801, 21494403]

約数ペア:

[(1, 21494403), (3, 7164801), (7, 3070629), (9, 2388267), (21, 1023543), (27, 796089), (63, 341181), (81, 265363), (167, 128709), (189, 113727), (227, 94689), (501, 42903), (567, 37909), (681, 31563), (1169, 18387), (1503, 14301), (1589, 13527), (2043, 10521), (3507, 6129), (4509, 4767)]