21678202

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6269}}^1$

素因数の和:6310

約数の個数: 32

約数和(自身を含む): 42134400

約数和(自身を除く): 20456198

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 6269, 12538, 43883, 81497, 87766, 119111, 162994, 238222, 570479, 833777, 1140958, 1548443, 1667554, 3096886, 10839101, 21678202]

約数ペア:

[(1, 21678202), (2, 10839101), (7, 3096886), (13, 1667554), (14, 1548443), (19, 1140958), (26, 833777), (38, 570479), (91, 238222), (133, 162994), (182, 119111), (247, 87766), (266, 81497), (494, 43883), (1729, 12538), (3458, 6269)]