21000471490

素因数分解:

$2^1\times 5^1\times {\mathrm{743}}^1\times {\mathrm{2826443}}^1$

素因数の和:2827193

約数の個数: 16

約数和(自身を含む): 37851738048

約数和(自身を除く): 16851266558

約数列:

[1, 2, 5, 10, 743, 1486, 3715, 7430, 2826443, 5652886, 14132215, 28264430, 2100047149, 4200094298, 10500235745, 21000471490]

約数ペア:

[(1, 21000471490), (2, 10500235745), (5, 4200094298), (10, 2100047149), (743, 28264430), (1486, 14132215), (3715, 5652886), (7430, 2826443)]