2100500

素因数分解:

$2^2\times 5^3\times {\mathrm{4201}}^1$

素因数の和:4220

約数の個数: 24

約数和(自身を含む): 4588584

約数和(自身を除く): 2488084

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 4201, 8402, 16804, 21005, 42010, 84020, 105025, 210050, 420100, 525125, 1050250, 2100500]

約数ペア:

[(1, 2100500), (2, 1050250), (4, 525125), (5, 420100), (10, 210050), (20, 105025), (25, 84020), (50, 42010), (100, 21005), (125, 16804), (250, 8402), (500, 4201)]