21539648

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{25889}}^1$

素因数の和:25914

約数の個数: 28

約数和(自身を含む): 46032420

約数和(自身を除く): 24492772

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 25889, 51778, 103556, 207112, 336557, 414224, 673114, 828448, 1346228, 1656896, 2692456, 5384912, 10769824, 21539648]

約数ペア:

[(1, 21539648), (2, 10769824), (4, 5384912), (8, 2692456), (13, 1656896), (16, 1346228), (26, 828448), (32, 673114), (52, 414224), (64, 336557), (104, 207112), (208, 103556), (416, 51778), (832, 25889)]