2021390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{431}}^1$

素因数の和:512

約数の個数: 32

約数和(自身を含む): 4230144

約数和(自身を除く): 2208754

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 431, 469, 670, 862, 938, 2155, 2345, 3017, 4310, 4690, 6034, 15085, 28877, 30170, 57754, 144385, 202139, 288770, 404278, 1010695, 2021390]

約数ペア:

[(1, 2021390), (2, 1010695), (5, 404278), (7, 288770), (10, 202139), (14, 144385), (35, 57754), (67, 30170), (70, 28877), (134, 15085), (335, 6034), (431, 4690), (469, 4310), (670, 3017), (862, 2345), (938, 2155)]