21039954

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{14197}}^1$

素因数の和:14234

約数の個数: 32

約数和(自身を含む): 47705280

約数和(自身を除く): 26665326

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 247, 494, 741, 1482, 14197, 28394, 42591, 85182, 184561, 269743, 369122, 539486, 553683, 809229, 1107366, 1618458, 3506659, 7013318, 10519977, 21039954]

約数ペア:

[(1, 21039954), (2, 10519977), (3, 7013318), (6, 3506659), (13, 1618458), (19, 1107366), (26, 809229), (38, 553683), (39, 539486), (57, 369122), (78, 269743), (114, 184561), (247, 85182), (494, 42591), (741, 28394), (1482, 14197)]