21286524

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1201}}^1$

素因数の和:1426

約数の個数: 48

約数和(自身を含む): 57080576

約数和(自身を除く): 35794052

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 211, 422, 633, 844, 1201, 1266, 1477, 2402, 2532, 2954, 3603, 4431, 4804, 5908, 7206, 8407, 8862, 14412, 16814, 17724, 25221, 33628, 50442, 100884, 253411, 506822, 760233, 1013644, 1520466, 1773877, 3040932, 3547754, 5321631, 7095508, 10643262, 21286524]

約数ペア:

[(1, 21286524), (2, 10643262), (3, 7095508), (4, 5321631), (6, 3547754), (7, 3040932), (12, 1773877), (14, 1520466), (21, 1013644), (28, 760233), (42, 506822), (84, 253411), (211, 100884), (422, 50442), (633, 33628), (844, 25221), (1201, 17724), (1266, 16814), (1477, 14412), (2402, 8862), (2532, 8407), (2954, 7206), (3603, 5908), (4431, 4804)]