21242370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{743}}^1\times {\mathrm{953}}^1$

素因数の和:1706

約数の個数: 32

約数和(自身を含む): 51103872

約数和(自身を除く): 29861502

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 743, 953, 1486, 1906, 2229, 2859, 3715, 4458, 4765, 5718, 7430, 9530, 11145, 14295, 22290, 28590, 708079, 1416158, 2124237, 3540395, 4248474, 7080790, 10621185, 21242370]

約数ペア:

[(1, 21242370), (2, 10621185), (3, 7080790), (5, 4248474), (6, 3540395), (10, 2124237), (15, 1416158), (30, 708079), (743, 28590), (953, 22290), (1486, 14295), (1906, 11145), (2229, 9530), (2859, 7430), (3715, 5718), (4458, 4765)]