21163623

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 32550336

約数和(自身を除く): 11386713

約数列:

[1, 3, 13, 17, 39, 51, 137, 221, 233, 411, 663, 699, 1781, 2329, 3029, 3961, 5343, 6987, 9087, 11883, 30277, 31921, 51493, 90831, 95763, 154479, 414973, 542657, 1244919, 1627971, 7054541, 21163623]

約数ペア:

[(1, 21163623), (3, 7054541), (13, 1627971), (17, 1244919), (39, 542657), (51, 414973), (137, 154479), (221, 95763), (233, 90831), (411, 51493), (663, 31921), (699, 30277), (1781, 11883), (2329, 9087), (3029, 6987), (3961, 5343)]