2021165937

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^2\times {\mathrm{17351}}^1$

素因数の和:17450

約数の個数: 36

約数和(自身を含む): 3416122944

約数和(自身を除く): 1394957007

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 1849, 2709, 5547, 12943, 16641, 17351, 38829, 52053, 116487, 121457, 156159, 364371, 746093, 1093113, 2238279, 5222651, 6714837, 15667953, 32081999, 47003859, 96245997, 224573993, 288737991, 673721979, 2021165937]

約数ペア:

[(1, 2021165937), (3, 673721979), (7, 288737991), (9, 224573993), (21, 96245997), (43, 47003859), (63, 32081999), (129, 15667953), (301, 6714837), (387, 5222651), (903, 2238279), (1849, 1093113), (2709, 746093), (5547, 364371), (12943, 156159), (16641, 121457), (17351, 116487), (38829, 52053)]