21483070

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2579}}^1$

素因数の和:2617

約数の個数: 48

約数和(自身を含む): 47647440

約数和(自身を除く): 26164370

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 170, 238, 245, 490, 595, 833, 1190, 1666, 2579, 4165, 5158, 8330, 12895, 18053, 25790, 36106, 43843, 87686, 90265, 126371, 180530, 219215, 252742, 306901, 438430, 613802, 631855, 1263710, 1534505, 2148307, 3069010, 4296614, 10741535, 21483070]

約数ペア:

[(1, 21483070), (2, 10741535), (5, 4296614), (7, 3069010), (10, 2148307), (14, 1534505), (17, 1263710), (34, 631855), (35, 613802), (49, 438430), (70, 306901), (85, 252742), (98, 219215), (119, 180530), (170, 126371), (238, 90265), (245, 87686), (490, 43843), (595, 36106), (833, 25790), (1190, 18053), (1666, 12895), (2579, 8330), (4165, 5158)]