21443508

素因数分解:

$2^2\times 3^3\times {\mathrm{211}}^1\times {\mathrm{941}}^1$

素因数の和:1165

約数の個数: 48

約数和(自身を含む): 55917120

約数和(自身を除く): 34473612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 211, 422, 633, 844, 941, 1266, 1882, 1899, 2532, 2823, 3764, 3798, 5646, 5697, 7596, 8469, 11292, 11394, 16938, 22788, 25407, 33876, 50814, 101628, 198551, 397102, 595653, 794204, 1191306, 1786959, 2382612, 3573918, 5360877, 7147836, 10721754, 21443508]

約数ペア:

[(1, 21443508), (2, 10721754), (3, 7147836), (4, 5360877), (6, 3573918), (9, 2382612), (12, 1786959), (18, 1191306), (27, 794204), (36, 595653), (54, 397102), (108, 198551), (211, 101628), (422, 50814), (633, 33876), (844, 25407), (941, 22788), (1266, 16938), (1882, 11394), (1899, 11292), (2532, 8469), (2823, 7596), (3764, 5697), (3798, 5646)]