21773284

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1039}}^1$

素因数の和:1100

約数の個数: 36

約数和(自身を含む): 42631680

約数和(自身を除く): 20858396

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 169, 338, 403, 676, 806, 1039, 1612, 2078, 4156, 5239, 10478, 13507, 20956, 27014, 32209, 54028, 64418, 128836, 175591, 351182, 418717, 702364, 837434, 1674868, 5443321, 10886642, 21773284]

約数ペア:

[(1, 21773284), (2, 10886642), (4, 5443321), (13, 1674868), (26, 837434), (31, 702364), (52, 418717), (62, 351182), (124, 175591), (169, 128836), (338, 64418), (403, 54028), (676, 32209), (806, 27014), (1039, 20956), (1612, 13507), (2078, 10478), (4156, 5239)]