21551133818

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1489}}^1\times {\mathrm{2857}}^1$

素因数の和:4514

約数の個数: 32

約数和(自身を含む): 34493202000

約数和(自身を除く): 12942068182

約数列:

[1, 2, 17, 34, 149, 298, 1489, 2533, 2857, 2978, 5066, 5714, 25313, 48569, 50626, 97138, 221861, 425693, 443722, 851386, 3771637, 4254073, 7236781, 7543274, 8508146, 14473562, 72319241, 144638482, 633856877, 1267713754, 10775566909, 21551133818]

約数ペア:

[(1, 21551133818), (2, 10775566909), (17, 1267713754), (34, 633856877), (149, 144638482), (298, 72319241), (1489, 14473562), (2533, 8508146), (2857, 7543274), (2978, 7236781), (5066, 4254073), (5714, 3771637), (25313, 851386), (48569, 443722), (50626, 425693), (97138, 221861)]