21285918

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{14969}}^1$

素因数の和:15056

約数の個数: 24

約数和(自身を含む): 46706400

約数和(自身を除く): 25420482

約数列:

[1, 2, 3, 6, 9, 18, 79, 158, 237, 474, 711, 1422, 14969, 29938, 44907, 89814, 134721, 269442, 1182551, 2365102, 3547653, 7095306, 10642959, 21285918]

約数ペア:

[(1, 21285918), (2, 10642959), (3, 7095306), (6, 3547653), (9, 2365102), (18, 1182551), (79, 269442), (158, 134721), (237, 89814), (474, 44907), (711, 29938), (1422, 14969)]