2021215

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:151

約数の個数: 32

約数和(自身を含む): 3041280

約数和(自身を除く): 1020065

約数列:

[1, 5, 7, 17, 35, 43, 79, 85, 119, 215, 301, 395, 553, 595, 731, 1343, 1505, 2765, 3397, 3655, 5117, 6715, 9401, 16985, 23779, 25585, 47005, 57749, 118895, 288745, 404243, 2021215]

約数ペア:

[(1, 2021215), (5, 404243), (7, 288745), (17, 118895), (35, 57749), (43, 47005), (79, 25585), (85, 23779), (119, 16985), (215, 9401), (301, 6715), (395, 5117), (553, 3655), (595, 3397), (731, 2765), (1343, 1505)]