21744684

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{479}}^1$

素因数の和:599

約数の個数: 72

約数和(自身を含む): 59928960

約数和(自身を除く): 38184276

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 97, 117, 156, 194, 234, 291, 388, 468, 479, 582, 873, 958, 1164, 1261, 1437, 1746, 1916, 2522, 2874, 3492, 3783, 4311, 5044, 5748, 6227, 7566, 8622, 11349, 12454, 15132, 17244, 18681, 22698, 24908, 37362, 45396, 46463, 56043, 74724, 92926, 112086, 139389, 185852, 224172, 278778, 418167, 557556, 604019, 836334, 1208038, 1672668, 1812057, 2416076, 3624114, 5436171, 7248228, 10872342, 21744684]

約数ペア:

[(1, 21744684), (2, 10872342), (3, 7248228), (4, 5436171), (6, 3624114), (9, 2416076), (12, 1812057), (13, 1672668), (18, 1208038), (26, 836334), (36, 604019), (39, 557556), (52, 418167), (78, 278778), (97, 224172), (117, 185852), (156, 139389), (194, 112086), (234, 92926), (291, 74724), (388, 56043), (468, 46463), (479, 45396), (582, 37362), (873, 24908), (958, 22698), (1164, 18681), (1261, 17244), (1437, 15132), (1746, 12454), (1916, 11349), (2522, 8622), (2874, 7566), (3492, 6227), (3783, 5748), (4311, 5044)]