21916284

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3797}}^1$

素因数の和:3854

約数の個数: 48

約数和(自身を含む): 56575008

約数和(自身を除く): 34658724

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 222, 444, 481, 962, 1443, 1924, 2886, 3797, 5772, 7594, 11391, 15188, 22782, 45564, 49361, 98722, 140489, 148083, 197444, 280978, 296166, 421467, 561956, 592332, 842934, 1685868, 1826357, 3652714, 5479071, 7305428, 10958142, 21916284]

約数ペア:

[(1, 21916284), (2, 10958142), (3, 7305428), (4, 5479071), (6, 3652714), (12, 1826357), (13, 1685868), (26, 842934), (37, 592332), (39, 561956), (52, 421467), (74, 296166), (78, 280978), (111, 197444), (148, 148083), (156, 140489), (222, 98722), (444, 49361), (481, 45564), (962, 22782), (1443, 15188), (1924, 11391), (2886, 7594), (3797, 5772)]