21079597

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{8831}}^1$

素因数の和:8880

約数の個数: 16

約数和(自身を含む): 27131904

約数和(自身を除く): 6052307

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 8831, 61817, 97141, 273761, 679987, 1916327, 3011371, 21079597]

約数ペア:

[(1, 21079597), (7, 3011371), (11, 1916327), (31, 679987), (77, 273761), (217, 97141), (341, 61817), (2387, 8831)]