21746040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7879}}^1$

素因数の和:7916

約数の個数: 64

約数和(自身を含む): 68083200

約数和(自身を除く): 46337160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 7879, 15758, 23637, 31516, 39395, 47274, 63032, 78790, 94548, 118185, 157580, 181217, 189096, 236370, 315160, 362434, 472740, 543651, 724868, 906085, 945480, 1087302, 1449736, 1812170, 2174604, 2718255, 3624340, 4349208, 5436510, 7248680, 10873020, 21746040]

約数ペア:

[(1, 21746040), (2, 10873020), (3, 7248680), (4, 5436510), (5, 4349208), (6, 3624340), (8, 2718255), (10, 2174604), (12, 1812170), (15, 1449736), (20, 1087302), (23, 945480), (24, 906085), (30, 724868), (40, 543651), (46, 472740), (60, 362434), (69, 315160), (92, 236370), (115, 189096), (120, 181217), (138, 157580), (184, 118185), (230, 94548), (276, 78790), (345, 63032), (460, 47274), (552, 39395), (690, 31516), (920, 23637), (1380, 15758), (2760, 7879)]