21973503

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 10685697

約数列:

[1, 3, 17, 29, 51, 83, 87, 179, 249, 493, 537, 1411, 1479, 2407, 3043, 4233, 5191, 7221, 9129, 14857, 15573, 40919, 44571, 88247, 122757, 252569, 264741, 430853, 757707, 1292559, 7324501, 21973503]

約数ペア:

[(1, 21973503), (3, 7324501), (17, 1292559), (29, 757707), (51, 430853), (83, 264741), (87, 252569), (179, 122757), (249, 88247), (493, 44571), (537, 40919), (1411, 15573), (1479, 14857), (2407, 9129), (3043, 7221), (4233, 5191)]