21493416

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4127}}^1$

素因数の和:4174

約数の個数: 64

約数和(自身を含む): 63406080

約数和(自身を除く): 41912664

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 124, 168, 186, 217, 248, 372, 434, 651, 744, 868, 1302, 1736, 2604, 4127, 5208, 8254, 12381, 16508, 24762, 28889, 33016, 49524, 57778, 86667, 99048, 115556, 127937, 173334, 231112, 255874, 346668, 383811, 511748, 693336, 767622, 895559, 1023496, 1535244, 1791118, 2686677, 3070488, 3582236, 5373354, 7164472, 10746708, 21493416]

約数ペア:

[(1, 21493416), (2, 10746708), (3, 7164472), (4, 5373354), (6, 3582236), (7, 3070488), (8, 2686677), (12, 1791118), (14, 1535244), (21, 1023496), (24, 895559), (28, 767622), (31, 693336), (42, 511748), (56, 383811), (62, 346668), (84, 255874), (93, 231112), (124, 173334), (168, 127937), (186, 115556), (217, 99048), (248, 86667), (372, 57778), (434, 49524), (651, 33016), (744, 28889), (868, 24762), (1302, 16508), (1736, 12381), (2604, 8254), (4127, 5208)]