21961125

素因数分解:

$3^6\times 5^3\times {\mathrm{241}}^1$

素因数の和:274

約数の個数: 56

約数和(自身を含む): 41262936

約数和(自身を除く): 19301811

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 241, 243, 375, 405, 675, 723, 729, 1125, 1205, 1215, 2025, 2169, 3375, 3615, 3645, 6025, 6075, 6507, 10125, 10845, 18075, 18225, 19521, 30125, 30375, 32535, 54225, 58563, 90375, 91125, 97605, 162675, 175689, 271125, 292815, 488025, 813375, 878445, 1464075, 2440125, 4392225, 7320375, 21961125]

約数ペア:

[(1, 21961125), (3, 7320375), (5, 4392225), (9, 2440125), (15, 1464075), (25, 878445), (27, 813375), (45, 488025), (75, 292815), (81, 271125), (125, 175689), (135, 162675), (225, 97605), (241, 91125), (243, 90375), (375, 58563), (405, 54225), (675, 32535), (723, 30375), (729, 30125), (1125, 19521), (1205, 18225), (1215, 18075), (2025, 10845), (2169, 10125), (3375, 6507), (3615, 6075), (3645, 6025)]