21408422

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{1117}}^1$

素因数の和:1200

約数の個数: 24

約数和(自身を含む): 37752624

約数和(自身を除く): 16344202

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 1117, 1369, 2234, 2738, 7819, 9583, 15638, 19166, 41329, 82658, 289303, 578606, 1529173, 3058346, 10704211, 21408422]

約数ペア:

[(1, 21408422), (2, 10704211), (7, 3058346), (14, 1529173), (37, 578606), (74, 289303), (259, 82658), (518, 41329), (1117, 19166), (1369, 15638), (2234, 9583), (2738, 7819)]