21502488

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{859}}^1$

素因数の和:1024

約数の個数: 64

約数和(自身を含む): 61920000

約数和(自身を除く): 40417512

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 149, 168, 298, 447, 596, 859, 894, 1043, 1192, 1718, 1788, 2086, 2577, 3129, 3436, 3576, 4172, 5154, 6013, 6258, 6872, 8344, 10308, 12026, 12516, 18039, 20616, 24052, 25032, 36078, 48104, 72156, 127991, 144312, 255982, 383973, 511964, 767946, 895937, 1023928, 1535892, 1791874, 2687811, 3071784, 3583748, 5375622, 7167496, 10751244, 21502488]

約数ペア:

[(1, 21502488), (2, 10751244), (3, 7167496), (4, 5375622), (6, 3583748), (7, 3071784), (8, 2687811), (12, 1791874), (14, 1535892), (21, 1023928), (24, 895937), (28, 767946), (42, 511964), (56, 383973), (84, 255982), (149, 144312), (168, 127991), (298, 72156), (447, 48104), (596, 36078), (859, 25032), (894, 24052), (1043, 20616), (1192, 18039), (1718, 12516), (1788, 12026), (2086, 10308), (2577, 8344), (3129, 6872), (3436, 6258), (3576, 6013), (4172, 5154)]