21000480780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7446979}}^1$

素因数の和:7447038

約数の個数: 48

約数和(自身を含む): 60052446720

約数和(自身を除く): 39051965940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 7446979, 14893958, 22340937, 29787916, 37234895, 44681874, 74469790, 89363748, 111704685, 148939580, 223409370, 350008013, 446818740, 700016026, 1050024039, 1400032052, 1750040065, 2100048078, 3500080130, 4200096156, 5250120195, 7000160260, 10500240390, 21000480780]

約数ペア:

[(1, 21000480780), (2, 10500240390), (3, 7000160260), (4, 5250120195), (5, 4200096156), (6, 3500080130), (10, 2100048078), (12, 1750040065), (15, 1400032052), (20, 1050024039), (30, 700016026), (47, 446818740), (60, 350008013), (94, 223409370), (141, 148939580), (188, 111704685), (235, 89363748), (282, 74469790), (470, 44681874), (564, 37234895), (705, 29787916), (940, 22340937), (1410, 14893958), (2820, 7446979)]