21166348

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{1429}}^1$

素因数の和:1486

約数の個数: 36

約数和(自身を含む): 44284240

約数和(自身を除く): 23117892

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 529, 644, 1058, 1429, 2116, 2858, 3703, 5716, 7406, 10003, 14812, 20006, 32867, 40012, 65734, 131468, 230069, 460138, 755941, 920276, 1511882, 3023764, 5291587, 10583174, 21166348]

約数ペア:

[(1, 21166348), (2, 10583174), (4, 5291587), (7, 3023764), (14, 1511882), (23, 920276), (28, 755941), (46, 460138), (92, 230069), (161, 131468), (322, 65734), (529, 40012), (644, 32867), (1058, 20006), (1429, 14812), (2116, 10003), (2858, 7406), (3703, 5716)]