21887164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{22153}}^1$

素因数の和:22189

約数の個数: 24

約数和(自身を含む): 43421840

約数和(自身を除く): 21534676

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 22153, 44306, 88612, 287989, 420907, 575978, 841814, 1151956, 1683628, 5471791, 10943582, 21887164]

約数ペア:

[(1, 21887164), (2, 10943582), (4, 5471791), (13, 1683628), (19, 1151956), (26, 841814), (38, 575978), (52, 420907), (76, 287989), (247, 88612), (494, 44306), (988, 22153)]