21819168

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:239

約数の個数: 144

約数和(自身を含む): 72334080

約数和(自身を除く): 50514912

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 79, 84, 96, 112, 126, 137, 144, 158, 168, 224, 237, 252, 274, 288, 316, 336, 411, 474, 504, 548, 553, 632, 672, 711, 822, 948, 959, 1008, 1096, 1106, 1233, 1264, 1422, 1644, 1659, 1896, 1918, 2016, 2192, 2212, 2466, 2528, 2844, 2877, 3288, 3318, 3792, 3836, 4384, 4424, 4932, 4977, 5688, 5754, 6576, 6636, 7584, 7672, 8631, 8848, 9864, 9954, 10823, 11376, 11508, 13152, 13272, 15344, 17262, 17696, 19728, 19908, 21646, 22752, 23016, 26544, 30688, 32469, 34524, 39456, 39816, 43292, 46032, 53088, 64938, 69048, 75761, 79632, 86584, 92064, 97407, 129876, 138096, 151522, 159264, 173168, 194814, 227283, 259752, 276192, 303044, 346336, 389628, 454566, 519504, 606088, 681849, 779256, 909132, 1039008, 1212176, 1363698, 1558512, 1818264, 2424352, 2727396, 3117024, 3636528, 5454792, 7273056, 10909584, 21819168]

約数ペア:

[(1, 21819168), (2, 10909584), (3, 7273056), (4, 5454792), (6, 3636528), (7, 3117024), (8, 2727396), (9, 2424352), (12, 1818264), (14, 1558512), (16, 1363698), (18, 1212176), (21, 1039008), (24, 909132), (28, 779256), (32, 681849), (36, 606088), (42, 519504), (48, 454566), (56, 389628), (63, 346336), (72, 303044), (79, 276192), (84, 259752), (96, 227283), (112, 194814), (126, 173168), (137, 159264), (144, 151522), (158, 138096), (168, 129876), (224, 97407), (237, 92064), (252, 86584), (274, 79632), (288, 75761), (316, 69048), (336, 64938), (411, 53088), (474, 46032), (504, 43292), (548, 39816), (553, 39456), (632, 34524), (672, 32469), (711, 30688), (822, 26544), (948, 23016), (959, 22752), (1008, 21646), (1096, 19908), (1106, 19728), (1233, 17696), (1264, 17262), (1422, 15344), (1644, 13272), (1659, 13152), (1896, 11508), (1918, 11376), (2016, 10823), (2192, 9954), (2212, 9864), (2466, 8848), (2528, 8631), (2844, 7672), (2877, 7584), (3288, 6636), (3318, 6576), (3792, 5754), (3836, 5688), (4384, 4977), (4424, 4932)]