21413755

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{6599}}^1$

素因数の和:6674

約数の個数: 16

約数和(自身を含む): 28512000

約数和(自身を除く): 7098245

約数列:

[1, 5, 11, 55, 59, 295, 649, 3245, 6599, 32995, 72589, 362945, 389341, 1946705, 4282751, 21413755]

約数ペア:

[(1, 21413755), (5, 4282751), (11, 1946705), (55, 389341), (59, 362945), (295, 72589), (649, 32995), (3245, 6599)]