21553392

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2789}}^1$

素因数の和:2830

約数の個数: 80

約数和(自身を含む): 66424320

約数和(自身を除く): 44870928

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 46, 48, 56, 69, 84, 92, 112, 138, 161, 168, 184, 276, 322, 336, 368, 483, 552, 644, 966, 1104, 1288, 1932, 2576, 2789, 3864, 5578, 7728, 8367, 11156, 16734, 19523, 22312, 33468, 39046, 44624, 58569, 64147, 66936, 78092, 117138, 128294, 133872, 156184, 192441, 234276, 256588, 312368, 384882, 449029, 468552, 513176, 769764, 898058, 937104, 1026352, 1347087, 1539528, 1796116, 2694174, 3079056, 3592232, 5388348, 7184464, 10776696, 21553392]

約数ペア:

[(1, 21553392), (2, 10776696), (3, 7184464), (4, 5388348), (6, 3592232), (7, 3079056), (8, 2694174), (12, 1796116), (14, 1539528), (16, 1347087), (21, 1026352), (23, 937104), (24, 898058), (28, 769764), (42, 513176), (46, 468552), (48, 449029), (56, 384882), (69, 312368), (84, 256588), (92, 234276), (112, 192441), (138, 156184), (161, 133872), (168, 128294), (184, 117138), (276, 78092), (322, 66936), (336, 64147), (368, 58569), (483, 44624), (552, 39046), (644, 33468), (966, 22312), (1104, 19523), (1288, 16734), (1932, 11156), (2576, 8367), (2789, 7728), (3864, 5578)]