21066514

素因数分解:

$2^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{10099}}^1$

素因数の和:10257

約数の個数: 16

約数和(自身を含む): 36360000

約数和(自身を除く): 15293486

約数列:

[1, 2, 7, 14, 149, 298, 1043, 2086, 10099, 20198, 70693, 141386, 1504751, 3009502, 10533257, 21066514]

約数ペア:

[(1, 21066514), (2, 10533257), (7, 3009502), (14, 1504751), (149, 141386), (298, 70693), (1043, 20198), (2086, 10099)]