21095556290

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{57015017}}^1$

素因数の和:57015061

約数の個数: 16

約数和(自身を含む): 38998272312

約数和(自身を除く): 17902716022

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 57015017, 114030034, 285075085, 570150170, 2109555629, 4219111258, 10547778145, 21095556290]

約数ペア:

[(1, 21095556290), (2, 10547778145), (5, 4219111258), (10, 2109555629), (37, 570150170), (74, 285075085), (185, 114030034), (370, 57015017)]