21335028

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12433}}^1$

素因数の和:12464

約数の個数: 48

約数和(自身を含む): 58489536

約数和(自身を除く): 37154508

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 12433, 24866, 37299, 49732, 74598, 136763, 149196, 161629, 273526, 323258, 410289, 484887, 547052, 646516, 820578, 969774, 1641156, 1777919, 1939548, 3555838, 5333757, 7111676, 10667514, 21335028]

約数ペア:

[(1, 21335028), (2, 10667514), (3, 7111676), (4, 5333757), (6, 3555838), (11, 1939548), (12, 1777919), (13, 1641156), (22, 969774), (26, 820578), (33, 646516), (39, 547052), (44, 484887), (52, 410289), (66, 323258), (78, 273526), (132, 161629), (143, 149196), (156, 136763), (286, 74598), (429, 49732), (572, 37299), (858, 24866), (1716, 12433)]