21298674

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2663}}^1$

素因数の和:2742

約数の個数: 32

約数和(自身を含む): 45010944

約数和(自身を除く): 23712270

約数列:

[1, 2, 3, 6, 31, 43, 62, 86, 93, 129, 186, 258, 1333, 2663, 2666, 3999, 5326, 7989, 7998, 15978, 82553, 114509, 165106, 229018, 247659, 343527, 495318, 687054, 3549779, 7099558, 10649337, 21298674]

約数ペア:

[(1, 21298674), (2, 10649337), (3, 7099558), (6, 3549779), (31, 687054), (43, 495318), (62, 343527), (86, 247659), (93, 229018), (129, 165106), (186, 114509), (258, 82553), (1333, 15978), (2663, 7998), (2666, 7989), (3999, 5326)]