21242022039

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1582981}}^1$

素因数の和:1583068

約数の個数: 32

約数和(自身を含む): 36471905280

約数和(自身を除く): 15229883241

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1491, 1917, 4473, 13419, 1582981, 4748943, 11080867, 14246829, 33242601, 42740487, 99727803, 112391651, 299183409, 337174953, 786741557, 1011524859, 2360224671, 3034574577, 7080674013, 21242022039]

約数ペア:

[(1, 21242022039), (3, 7080674013), (7, 3034574577), (9, 2360224671), (21, 1011524859), (27, 786741557), (63, 337174953), (71, 299183409), (189, 112391651), (213, 99727803), (497, 42740487), (639, 33242601), (1491, 14246829), (1917, 11080867), (4473, 4748943), (13419, 1582981)]