21167468

素因数分解:

$2^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{3917}}^1$

素因数の和:4121

約数の個数: 24

約数和(自身を含む): 42565152

約数和(自身を除く): 21397684

約数列:

[1, 2, 4, 7, 14, 28, 193, 386, 772, 1351, 2702, 3917, 5404, 7834, 15668, 27419, 54838, 109676, 755981, 1511962, 3023924, 5291867, 10583734, 21167468]

約数ペア:

[(1, 21167468), (2, 10583734), (4, 5291867), (7, 3023924), (14, 1511962), (28, 755981), (193, 109676), (386, 54838), (772, 27419), (1351, 15668), (2702, 7834), (3917, 5404)]