20961549

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10733}}^1$

素因数の和:10777

約数の個数: 24

約数和(自身を含む): 35722752

約数和(自身を除く): 14761203

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 10733, 32199, 75131, 96597, 225393, 332723, 676179, 998169, 2329061, 2994507, 6987183, 20961549]

約数ペア:

[(1, 20961549), (3, 6987183), (7, 2994507), (9, 2329061), (21, 998169), (31, 676179), (63, 332723), (93, 225393), (217, 96597), (279, 75131), (651, 32199), (1953, 10733)]