21415767

素因数分解:

$3^1\times {\mathrm{17}}^3\times {\mathrm{1453}}^1$

素因数の和:1507

約数の個数: 16

約数和(自身を含む): 30359520

約数和(自身を除く): 8943753

約数列:

[1, 3, 17, 51, 289, 867, 1453, 4359, 4913, 14739, 24701, 74103, 419917, 1259751, 7138589, 21415767]

約数ペア:

[(1, 21415767), (3, 7138589), (17, 1259751), (51, 419917), (289, 74103), (867, 24701), (1453, 14739), (4359, 4913)]