21360336

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:264

約数の個数: 80

約数和(自身を含む): 57615360

約数和(自身を除く): 36255024

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 79, 86, 129, 131, 158, 172, 237, 258, 262, 316, 344, 393, 474, 516, 524, 632, 688, 786, 948, 1032, 1048, 1264, 1572, 1896, 2064, 2096, 3144, 3397, 3792, 5633, 6288, 6794, 10191, 10349, 11266, 13588, 16899, 20382, 20698, 22532, 27176, 31047, 33798, 40764, 41396, 45064, 54352, 62094, 67596, 81528, 82792, 90128, 124188, 135192, 163056, 165584, 248376, 270384, 445007, 496752, 890014, 1335021, 1780028, 2670042, 3560056, 5340084, 7120112, 10680168, 21360336]

約数ペア:

[(1, 21360336), (2, 10680168), (3, 7120112), (4, 5340084), (6, 3560056), (8, 2670042), (12, 1780028), (16, 1335021), (24, 890014), (43, 496752), (48, 445007), (79, 270384), (86, 248376), (129, 165584), (131, 163056), (158, 135192), (172, 124188), (237, 90128), (258, 82792), (262, 81528), (316, 67596), (344, 62094), (393, 54352), (474, 45064), (516, 41396), (524, 40764), (632, 33798), (688, 31047), (786, 27176), (948, 22532), (1032, 20698), (1048, 20382), (1264, 16899), (1572, 13588), (1896, 11266), (2064, 10349), (2096, 10191), (3144, 6794), (3397, 6288), (3792, 5633)]