21029352

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{431}}^1$

素因数の和:566

約数の個数: 64

約数和(自身を含む): 55987200

約数和(自身を除く): 34957848

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 107, 114, 152, 214, 228, 321, 428, 431, 456, 642, 856, 862, 1284, 1293, 1724, 2033, 2568, 2586, 3448, 4066, 5172, 6099, 8132, 8189, 10344, 12198, 16264, 16378, 24396, 24567, 32756, 46117, 48792, 49134, 65512, 92234, 98268, 138351, 184468, 196536, 276702, 368936, 553404, 876223, 1106808, 1752446, 2628669, 3504892, 5257338, 7009784, 10514676, 21029352]

約数ペア:

[(1, 21029352), (2, 10514676), (3, 7009784), (4, 5257338), (6, 3504892), (8, 2628669), (12, 1752446), (19, 1106808), (24, 876223), (38, 553404), (57, 368936), (76, 276702), (107, 196536), (114, 184468), (152, 138351), (214, 98268), (228, 92234), (321, 65512), (428, 49134), (431, 48792), (456, 46117), (642, 32756), (856, 24567), (862, 24396), (1284, 16378), (1293, 16264), (1724, 12198), (2033, 10344), (2568, 8189), (2586, 8132), (3448, 6099), (4066, 5172)]