21164136

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{479}}^1$

素因数の和:758

約数の個数: 64

約数和(自身を含む): 60825600

約数和(自身を除く): 39661464

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 263, 479, 526, 789, 958, 1052, 1437, 1578, 1841, 1916, 2104, 2874, 3156, 3353, 3682, 3832, 5523, 5748, 6312, 6706, 7364, 10059, 11046, 11496, 13412, 14728, 20118, 22092, 26824, 40236, 44184, 80472, 125977, 251954, 377931, 503908, 755862, 881839, 1007816, 1511724, 1763678, 2645517, 3023448, 3527356, 5291034, 7054712, 10582068, 21164136]

約数ペア:

[(1, 21164136), (2, 10582068), (3, 7054712), (4, 5291034), (6, 3527356), (7, 3023448), (8, 2645517), (12, 1763678), (14, 1511724), (21, 1007816), (24, 881839), (28, 755862), (42, 503908), (56, 377931), (84, 251954), (168, 125977), (263, 80472), (479, 44184), (526, 40236), (789, 26824), (958, 22092), (1052, 20118), (1437, 14728), (1578, 13412), (1841, 11496), (1916, 11046), (2104, 10059), (2874, 7364), (3156, 6706), (3353, 6312), (3682, 5748), (3832, 5523)]