21352824

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{4177}}^1$

素因数の和:4260

約数の個数: 48

約数和(自身を含む): 58659120

約数和(自身を除く): 37306296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2556, 4177, 5112, 8354, 12531, 16708, 25062, 33416, 37593, 50124, 75186, 100248, 150372, 296567, 300744, 593134, 889701, 1186268, 1779402, 2372536, 2669103, 3558804, 5338206, 7117608, 10676412, 21352824]

約数ペア:

[(1, 21352824), (2, 10676412), (3, 7117608), (4, 5338206), (6, 3558804), (8, 2669103), (9, 2372536), (12, 1779402), (18, 1186268), (24, 889701), (36, 593134), (71, 300744), (72, 296567), (142, 150372), (213, 100248), (284, 75186), (426, 50124), (568, 37593), (639, 33416), (852, 25062), (1278, 16708), (1704, 12531), (2556, 8354), (4177, 5112)]