21460356

素因数分解:

$2^2\times 3^3\times {\mathrm{109}}^1\times {\mathrm{1823}}^1$

素因数の和:1945

約数の個数: 48

約数和(自身を含む): 56179200

約数和(自身を除く): 34718844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 109, 218, 327, 436, 654, 981, 1308, 1823, 1962, 2943, 3646, 3924, 5469, 5886, 7292, 10938, 11772, 16407, 21876, 32814, 49221, 65628, 98442, 196884, 198707, 397414, 596121, 794828, 1192242, 1788363, 2384484, 3576726, 5365089, 7153452, 10730178, 21460356]

約数ペア:

[(1, 21460356), (2, 10730178), (3, 7153452), (4, 5365089), (6, 3576726), (9, 2384484), (12, 1788363), (18, 1192242), (27, 794828), (36, 596121), (54, 397414), (108, 198707), (109, 196884), (218, 98442), (327, 65628), (436, 49221), (654, 32814), (981, 21876), (1308, 16407), (1823, 11772), (1962, 10938), (2943, 7292), (3646, 5886), (3924, 5469)]