21000337510

素因数分解:

$2^1\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1451}}^1\times {\mathrm{1789}}^1$

素因数の和:4056

約数の個数: 32

約数和(自身を含む): 37894586400

約数和(自身を除く): 16894248890

約数列:

[1, 2, 5, 10, 809, 1451, 1618, 1789, 2902, 3578, 4045, 7255, 8090, 8945, 14510, 17890, 1173859, 1447301, 2347718, 2595839, 2894602, 5191678, 5869295, 7236505, 11738590, 12979195, 14473010, 25958390, 2100033751, 4200067502, 10500168755, 21000337510]

約数ペア:

[(1, 21000337510), (2, 10500168755), (5, 4200067502), (10, 2100033751), (809, 25958390), (1451, 14473010), (1618, 12979195), (1789, 11738590), (2902, 7236505), (3578, 5869295), (4045, 5191678), (7255, 2894602), (8090, 2595839), (8945, 2347718), (14510, 1447301), (17890, 1173859)]