21451536

素因数分解:

$2^4\times 3^2\times {\mathrm{311}}^1\times {\mathrm{479}}^1$

素因数の和:804

約数の個数: 60

約数和(自身を含む): 60353280

約数和(自身を除く): 38901744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 311, 479, 622, 933, 958, 1244, 1437, 1866, 1916, 2488, 2799, 2874, 3732, 3832, 4311, 4976, 5598, 5748, 7464, 7664, 8622, 11196, 11496, 14928, 17244, 22392, 22992, 34488, 44784, 68976, 148969, 297938, 446907, 595876, 893814, 1191752, 1340721, 1787628, 2383504, 2681442, 3575256, 5362884, 7150512, 10725768, 21451536]

約数ペア:

[(1, 21451536), (2, 10725768), (3, 7150512), (4, 5362884), (6, 3575256), (8, 2681442), (9, 2383504), (12, 1787628), (16, 1340721), (18, 1191752), (24, 893814), (36, 595876), (48, 446907), (72, 297938), (144, 148969), (311, 68976), (479, 44784), (622, 34488), (933, 22992), (958, 22392), (1244, 17244), (1437, 14928), (1866, 11496), (1916, 11196), (2488, 8622), (2799, 7664), (2874, 7464), (3732, 5748), (3832, 5598), (4311, 4976)]