21040913

素因数分解:

${\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:328

約数の個数: 16

約数和(自身を含む): 22498560

約数和(自身を除く): 1457647

約数列:

[1, 41, 47, 61, 179, 1927, 2501, 2867, 7339, 8413, 10919, 117547, 344933, 447679, 513193, 21040913]

約数ペア:

[(1, 21040913), (41, 513193), (47, 447679), (61, 344933), (179, 117547), (1927, 10919), (2501, 8413), (2867, 7339)]