21687204

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{479}}^1$

素因数の和:518

約数の個数: 96

約数和(自身を含む): 64512000

約数和(自身を除く): 42824796

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 66, 77, 84, 98, 132, 147, 154, 196, 231, 294, 308, 343, 462, 479, 539, 588, 686, 924, 958, 1029, 1078, 1372, 1437, 1617, 1916, 2058, 2156, 2874, 3234, 3353, 3773, 4116, 5269, 5748, 6468, 6706, 7546, 10059, 10538, 11319, 13412, 15092, 15807, 20118, 21076, 22638, 23471, 31614, 36883, 40236, 45276, 46942, 63228, 70413, 73766, 93884, 110649, 140826, 147532, 164297, 221298, 258181, 281652, 328594, 442596, 492891, 516362, 657188, 774543, 985782, 1032724, 1549086, 1807267, 1971564, 3098172, 3614534, 5421801, 7229068, 10843602, 21687204]

約数ペア:

[(1, 21687204), (2, 10843602), (3, 7229068), (4, 5421801), (6, 3614534), (7, 3098172), (11, 1971564), (12, 1807267), (14, 1549086), (21, 1032724), (22, 985782), (28, 774543), (33, 657188), (42, 516362), (44, 492891), (49, 442596), (66, 328594), (77, 281652), (84, 258181), (98, 221298), (132, 164297), (147, 147532), (154, 140826), (196, 110649), (231, 93884), (294, 73766), (308, 70413), (343, 63228), (462, 46942), (479, 45276), (539, 40236), (588, 36883), (686, 31614), (924, 23471), (958, 22638), (1029, 21076), (1078, 20118), (1372, 15807), (1437, 15092), (1617, 13412), (1916, 11319), (2058, 10538), (2156, 10059), (2874, 7546), (3234, 6706), (3353, 6468), (3773, 5748), (4116, 5269)]