21259658724

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1791343}}^1$

素因数の和:1791416

約数の個数: 48

約数和(自身を含む): 52966459392

約数和(自身を除く): 31706800668

約数列:

[1, 2, 3, 4, 6, 12, 23, 43, 46, 69, 86, 92, 129, 138, 172, 258, 276, 516, 989, 1978, 2967, 3956, 5934, 11868, 1791343, 3582686, 5374029, 7165372, 10748058, 21496116, 41200889, 77027749, 82401778, 123602667, 154055498, 164803556, 231083247, 247205334, 308110996, 462166494, 494410668, 924332988, 1771638227, 3543276454, 5314914681, 7086552908, 10629829362, 21259658724]

約数ペア:

[(1, 21259658724), (2, 10629829362), (3, 7086552908), (4, 5314914681), (6, 3543276454), (12, 1771638227), (23, 924332988), (43, 494410668), (46, 462166494), (69, 308110996), (86, 247205334), (92, 231083247), (129, 164803556), (138, 154055498), (172, 123602667), (258, 82401778), (276, 77027749), (516, 41200889), (989, 21496116), (1978, 10748058), (2967, 7165372), (3956, 5374029), (5934, 3582686), (11868, 1791343)]