21060340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{150431}}^1$

素因数の和:150447

約数の個数: 24

約数和(自身を含む): 50545152

約数和(自身を除く): 29484812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 150431, 300862, 601724, 752155, 1053017, 1504310, 2106034, 3008620, 4212068, 5265085, 10530170, 21060340]

約数ペア:

[(1, 21060340), (2, 10530170), (4, 5265085), (5, 4212068), (7, 3008620), (10, 2106034), (14, 1504310), (20, 1053017), (28, 752155), (35, 601724), (70, 300862), (140, 150431)]