21919260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{33211}}^1$

素因数の和:33234

約数の個数: 48

約数和(自身を含む): 66955392

約数和(自身を除く): 45036132

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 33211, 66422, 99633, 132844, 166055, 199266, 332110, 365321, 398532, 498165, 664220, 730642, 996330, 1095963, 1461284, 1826605, 1992660, 2191926, 3653210, 4383852, 5479815, 7306420, 10959630, 21919260]

約数ペア:

[(1, 21919260), (2, 10959630), (3, 7306420), (4, 5479815), (5, 4383852), (6, 3653210), (10, 2191926), (11, 1992660), (12, 1826605), (15, 1461284), (20, 1095963), (22, 996330), (30, 730642), (33, 664220), (44, 498165), (55, 398532), (60, 365321), (66, 332110), (110, 199266), (132, 166055), (165, 132844), (220, 99633), (330, 66422), (660, 33211)]