21454108

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13309}}^1$

素因数の和:13357

約数の個数: 24

約数和(自身を含む): 41740160

約数和(自身を除く): 20286052

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 13309, 26618, 53236, 173017, 346034, 412579, 692068, 825158, 1650316, 5363527, 10727054, 21454108]

約数ペア:

[(1, 21454108), (2, 10727054), (4, 5363527), (13, 1650316), (26, 825158), (31, 692068), (52, 412579), (62, 346034), (124, 173017), (403, 53236), (806, 26618), (1612, 13309)]