21419328

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{15937}}^1$

素因数の和:15959

約数の個数: 56

約数和(自身を含む): 64772032

約数和(自身を除く): 43352704

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 168, 192, 224, 336, 448, 672, 1344, 15937, 31874, 47811, 63748, 95622, 111559, 127496, 191244, 223118, 254992, 334677, 382488, 446236, 509984, 669354, 764976, 892472, 1019968, 1338708, 1529952, 1784944, 2677416, 3059904, 3569888, 5354832, 7139776, 10709664, 21419328]

約数ペア:

[(1, 21419328), (2, 10709664), (3, 7139776), (4, 5354832), (6, 3569888), (7, 3059904), (8, 2677416), (12, 1784944), (14, 1529952), (16, 1338708), (21, 1019968), (24, 892472), (28, 764976), (32, 669354), (42, 509984), (48, 446236), (56, 382488), (64, 334677), (84, 254992), (96, 223118), (112, 191244), (168, 127496), (192, 111559), (224, 95622), (336, 63748), (448, 47811), (672, 31874), (1344, 15937)]