21222238

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{337}}^1$

素因数の和:436

約数の個数: 24

約数和(自身を含む): 34240752

約数和(自身を除く): 13018514

約数列:

[1, 2, 23, 37, 46, 74, 337, 674, 851, 1369, 1702, 2738, 7751, 12469, 15502, 24938, 31487, 62974, 286787, 461353, 573574, 922706, 10611119, 21222238]

約数ペア:

[(1, 21222238), (2, 10611119), (23, 922706), (37, 573574), (46, 461353), (74, 286787), (337, 62974), (674, 31487), (851, 24938), (1369, 15502), (1702, 12469), (2738, 7751)]