21752225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{953}}^1$

素因数の和:1057

約数の個数: 24

約数和(自身を含む): 29810592

約数和(自身を除く): 8058367

約数列:

[1, 5, 11, 25, 55, 83, 275, 415, 913, 953, 2075, 4565, 4765, 10483, 22825, 23825, 52415, 79099, 262075, 395495, 870089, 1977475, 4350445, 21752225]

約数ペア:

[(1, 21752225), (5, 4350445), (11, 1977475), (25, 870089), (55, 395495), (83, 262075), (275, 79099), (415, 52415), (913, 23825), (953, 22825), (2075, 10483), (4565, 4765)]