21657384

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{443}}^1$

素因数の和:559

約数の個数: 96

約数和(自身を含む): 67878720

約数和(自身を除く): 46221336

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 97, 126, 168, 194, 252, 291, 388, 443, 504, 582, 679, 776, 873, 886, 1164, 1329, 1358, 1746, 1772, 2037, 2328, 2658, 2716, 3101, 3492, 3544, 3987, 4074, 5316, 5432, 6111, 6202, 6984, 7974, 8148, 9303, 10632, 12222, 12404, 15948, 16296, 18606, 24444, 24808, 27909, 31896, 37212, 42971, 48888, 55818, 74424, 85942, 111636, 128913, 171884, 223272, 257826, 300797, 343768, 386739, 515652, 601594, 773478, 902391, 1031304, 1203188, 1546956, 1804782, 2406376, 2707173, 3093912, 3609564, 5414346, 7219128, 10828692, 21657384]

約数ペア:

[(1, 21657384), (2, 10828692), (3, 7219128), (4, 5414346), (6, 3609564), (7, 3093912), (8, 2707173), (9, 2406376), (12, 1804782), (14, 1546956), (18, 1203188), (21, 1031304), (24, 902391), (28, 773478), (36, 601594), (42, 515652), (56, 386739), (63, 343768), (72, 300797), (84, 257826), (97, 223272), (126, 171884), (168, 128913), (194, 111636), (252, 85942), (291, 74424), (388, 55818), (443, 48888), (504, 42971), (582, 37212), (679, 31896), (776, 27909), (873, 24808), (886, 24444), (1164, 18606), (1329, 16296), (1358, 15948), (1746, 12404), (1772, 12222), (2037, 10632), (2328, 9303), (2658, 8148), (2716, 7974), (3101, 6984), (3492, 6202), (3544, 6111), (3987, 5432), (4074, 5316)]