21000608664

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2907061}}^1$

素因数の和:2907120

約数の個数: 64

約数和(自身を含む): 61397149440

約数和(自身を除く): 40396540776

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 84, 86, 129, 168, 172, 258, 301, 344, 516, 602, 903, 1032, 1204, 1806, 2408, 3612, 7224, 2907061, 5814122, 8721183, 11628244, 17442366, 20349427, 23256488, 34884732, 40698854, 61048281, 69769464, 81397708, 122096562, 125003623, 162795416, 244193124, 250007246, 375010869, 488386248, 500014492, 750021738, 875025361, 1000028984, 1500043476, 1750050722, 2625076083, 3000086952, 3500101444, 5250152166, 7000202888, 10500304332, 21000608664]

約数ペア:

[(1, 21000608664), (2, 10500304332), (3, 7000202888), (4, 5250152166), (6, 3500101444), (7, 3000086952), (8, 2625076083), (12, 1750050722), (14, 1500043476), (21, 1000028984), (24, 875025361), (28, 750021738), (42, 500014492), (43, 488386248), (56, 375010869), (84, 250007246), (86, 244193124), (129, 162795416), (168, 125003623), (172, 122096562), (258, 81397708), (301, 69769464), (344, 61048281), (516, 40698854), (602, 34884732), (903, 23256488), (1032, 20349427), (1204, 17442366), (1806, 11628244), (2408, 8721183), (3612, 5814122), (7224, 2907061)]