21059424

素因数分解:

$2^5\times 3^2\times {\mathrm{83}}^1\times {\mathrm{881}}^1$

素因数の和:980

約数の個数: 72

約数和(自身を含む): 60678072

約数和(自身を除く): 39618648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 83, 96, 144, 166, 249, 288, 332, 498, 664, 747, 881, 996, 1328, 1494, 1762, 1992, 2643, 2656, 2988, 3524, 3984, 5286, 5976, 7048, 7929, 7968, 10572, 11952, 14096, 15858, 21144, 23904, 28192, 31716, 42288, 63432, 73123, 84576, 126864, 146246, 219369, 253728, 292492, 438738, 584984, 658107, 877476, 1169968, 1316214, 1754952, 2339936, 2632428, 3509904, 5264856, 7019808, 10529712, 21059424]

約数ペア:

[(1, 21059424), (2, 10529712), (3, 7019808), (4, 5264856), (6, 3509904), (8, 2632428), (9, 2339936), (12, 1754952), (16, 1316214), (18, 1169968), (24, 877476), (32, 658107), (36, 584984), (48, 438738), (72, 292492), (83, 253728), (96, 219369), (144, 146246), (166, 126864), (249, 84576), (288, 73123), (332, 63432), (498, 42288), (664, 31716), (747, 28192), (881, 23904), (996, 21144), (1328, 15858), (1494, 14096), (1762, 11952), (1992, 10572), (2643, 7968), (2656, 7929), (2988, 7048), (3524, 5976), (3984, 5286)]