21058326

素因数分解:

$2^1\times 3^3\times {\mathrm{271}}^1\times {\mathrm{1439}}^1$

素因数の和:1721

約数の個数: 32

約数和(自身を含む): 47001600

約数和(自身を除く): 25943274

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 271, 542, 813, 1439, 1626, 2439, 2878, 4317, 4878, 7317, 8634, 12951, 14634, 25902, 38853, 77706, 389969, 779938, 1169907, 2339814, 3509721, 7019442, 10529163, 21058326]

約数ペア:

[(1, 21058326), (2, 10529163), (3, 7019442), (6, 3509721), (9, 2339814), (18, 1169907), (27, 779938), (54, 389969), (271, 77706), (542, 38853), (813, 25902), (1439, 14634), (1626, 12951), (2439, 8634), (2878, 7317), (4317, 4878)]