42213745

素因数分解:

$5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{4007}}^1$

素因数の和:4069

約数の個数: 24

約数和(自身を含む): 60312384

約数和(自身を除く): 18098639

約数列:

[1, 5, 7, 35, 43, 49, 215, 245, 301, 1505, 2107, 4007, 10535, 20035, 28049, 140245, 172301, 196343, 861505, 981715, 1206107, 6030535, 8442749, 42213745]

約数ペア:

[(1, 42213745), (5, 8442749), (7, 6030535), (35, 1206107), (43, 981715), (49, 861505), (215, 196343), (245, 172301), (301, 140245), (1505, 28049), (2107, 20035), (4007, 10535)]