21584976

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{283}}^1$

素因数の和:528

約数の個数: 80

約数和(自身を含む): 64233984

約数和(自身を除く): 42649008

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 227, 283, 336, 454, 566, 681, 849, 908, 1132, 1362, 1589, 1698, 1816, 1981, 2264, 2724, 3178, 3396, 3632, 3962, 4528, 4767, 5448, 5943, 6356, 6792, 7924, 9534, 10896, 11886, 12712, 13584, 15848, 19068, 23772, 25424, 31696, 38136, 47544, 64241, 76272, 95088, 128482, 192723, 256964, 385446, 449687, 513928, 770892, 899374, 1027856, 1349061, 1541784, 1798748, 2698122, 3083568, 3597496, 5396244, 7194992, 10792488, 21584976]

約数ペア:

[(1, 21584976), (2, 10792488), (3, 7194992), (4, 5396244), (6, 3597496), (7, 3083568), (8, 2698122), (12, 1798748), (14, 1541784), (16, 1349061), (21, 1027856), (24, 899374), (28, 770892), (42, 513928), (48, 449687), (56, 385446), (84, 256964), (112, 192723), (168, 128482), (227, 95088), (283, 76272), (336, 64241), (454, 47544), (566, 38136), (681, 31696), (849, 25424), (908, 23772), (1132, 19068), (1362, 15848), (1589, 13584), (1698, 12712), (1816, 11886), (1981, 10896), (2264, 9534), (2724, 7924), (3178, 6792), (3396, 6356), (3632, 5943), (3962, 5448), (4528, 4767)]