21171290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17791}}^1$

素因数の和:17822

約数の個数: 32

約数和(自身を含む): 46116864

約数和(自身を除く): 24945574

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 17791, 35582, 88955, 124537, 177910, 249074, 302447, 604894, 622685, 1245370, 1512235, 2117129, 3024470, 4234258, 10585645, 21171290]

約数ペア:

[(1, 21171290), (2, 10585645), (5, 4234258), (7, 3024470), (10, 2117129), (14, 1512235), (17, 1245370), (34, 622685), (35, 604894), (70, 302447), (85, 249074), (119, 177910), (170, 124537), (238, 88955), (595, 35582), (1190, 17791)]