21746690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{44381}}^1$

素因数の和:44402

約数の個数: 24

約数和(自身を含む): 45535932

約数和(自身を除く): 23789242

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 44381, 88762, 221905, 310667, 443810, 621334, 1553335, 2174669, 3106670, 4349338, 10873345, 21746690]

約数ペア:

[(1, 21746690), (2, 10873345), (5, 4349338), (7, 3106670), (10, 2174669), (14, 1553335), (35, 621334), (49, 443810), (70, 310667), (98, 221905), (245, 88762), (490, 44381)]