21352988893635

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{9661}}^1\times {\mathrm{779621}}^1$

素因数の和:789306

約数の個数: 80

約数和(自身を含む): 43749966693312

約数和(自身を除く): 22396977799677

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 9661, 28983, 48305, 67627, 86949, 144915, 202881, 260847, 338135, 434745, 608643, 779621, 782541, 1014405, 1304235, 1825929, 2338863, 3043215, 3898105, 3912705, 5457347, 5477787, 7016589, 9129645, 11694315, 16372041, 21049767, 27286735, 27388935, 35082945, 49116123, 63149301, 81860205, 105248835, 147348369, 245580615, 315746505, 442045107, 736741845, 2210225535, 7531918481, 22595755443, 37659592405, 52723429367, 67787266329, 112978777215, 158170288101, 203361798987, 263617146835, 338936331645, 474510864303, 610085396961, 790851440505, 1016808994935, 1423532592909, 2372554321515, 3050426984805, 4270597778727, 7117662964545, 21352988893635]

約数ペア:

[(1, 21352988893635), (3, 7117662964545), (5, 4270597778727), (7, 3050426984805), (9, 2372554321515), (15, 1423532592909), (21, 1016808994935), (27, 790851440505), (35, 610085396961), (45, 474510864303), (63, 338936331645), (81, 263617146835), (105, 203361798987), (135, 158170288101), (189, 112978777215), (315, 67787266329), (405, 52723429367), (567, 37659592405), (945, 22595755443), (2835, 7531918481), (9661, 2210225535), (28983, 736741845), (48305, 442045107), (67627, 315746505), (86949, 245580615), (144915, 147348369), (202881, 105248835), (260847, 81860205), (338135, 63149301), (434745, 49116123), (608643, 35082945), (779621, 27388935), (782541, 27286735), (1014405, 21049767), (1304235, 16372041), (1825929, 11694315), (2338863, 9129645), (3043215, 7016589), (3898105, 5477787), (3912705, 5457347)]