21396622

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43313}}^1$

素因数の和:43347

約数の個数: 16

約数和(自身を含む): 36383760

約数和(自身を除く): 14987138

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 43313, 86626, 563069, 822947, 1126138, 1645894, 10698311, 21396622]

約数ペア:

[(1, 21396622), (2, 10698311), (13, 1645894), (19, 1126138), (26, 822947), (38, 563069), (247, 86626), (494, 43313)]