21792736

素因数分解:

$2^5\times 7^1\times {\mathrm{271}}^1\times {\mathrm{359}}^1$

素因数の和:647

約数の個数: 48

約数和(自身を含む): 49351680

約数和(自身を除く): 27558944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 271, 359, 542, 718, 1084, 1436, 1897, 2168, 2513, 2872, 3794, 4336, 5026, 5744, 7588, 8672, 10052, 11488, 15176, 20104, 30352, 40208, 60704, 80416, 97289, 194578, 389156, 681023, 778312, 1362046, 1556624, 2724092, 3113248, 5448184, 10896368, 21792736]

約数ペア:

[(1, 21792736), (2, 10896368), (4, 5448184), (7, 3113248), (8, 2724092), (14, 1556624), (16, 1362046), (28, 778312), (32, 681023), (56, 389156), (112, 194578), (224, 97289), (271, 80416), (359, 60704), (542, 40208), (718, 30352), (1084, 20104), (1436, 15176), (1897, 11488), (2168, 10052), (2513, 8672), (2872, 7588), (3794, 5744), (4336, 5026)]