21831576

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{419}}^1$

素因数の和:608

約数の個数: 64

約数和(自身を含む): 59270400

約数和(自身を除く): 37438824

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 167, 312, 334, 419, 501, 668, 838, 1002, 1257, 1336, 1676, 2004, 2171, 2514, 3352, 4008, 4342, 5028, 5447, 6513, 8684, 10056, 10894, 13026, 16341, 17368, 21788, 26052, 32682, 43576, 52104, 65364, 69973, 130728, 139946, 209919, 279892, 419838, 559784, 839676, 909649, 1679352, 1819298, 2728947, 3638596, 5457894, 7277192, 10915788, 21831576]

約数ペア:

[(1, 21831576), (2, 10915788), (3, 7277192), (4, 5457894), (6, 3638596), (8, 2728947), (12, 1819298), (13, 1679352), (24, 909649), (26, 839676), (39, 559784), (52, 419838), (78, 279892), (104, 209919), (156, 139946), (167, 130728), (312, 69973), (334, 65364), (419, 52104), (501, 43576), (668, 32682), (838, 26052), (1002, 21788), (1257, 17368), (1336, 16341), (1676, 13026), (2004, 10894), (2171, 10056), (2514, 8684), (3352, 6513), (4008, 5447), (4342, 5028)]