21737136988

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{863}}^1\times {\mathrm{14747}}^1$

素因数の和:15682

約数の個数: 48

約数和(自身を含む): 44241168384

約数和(自身を除く): 22504031396

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 863, 1708, 1726, 3452, 6041, 12082, 14747, 24164, 29494, 52643, 58988, 103229, 105286, 206458, 210572, 368501, 412916, 737002, 899567, 1474004, 1799134, 3598268, 6296969, 12593938, 12726661, 25187876, 25453322, 50906644, 89086627, 178173254, 356346508, 776326321, 1552652642, 3105305284, 5434284247, 10868568494, 21737136988]

約数ペア:

[(1, 21737136988), (2, 10868568494), (4, 5434284247), (7, 3105305284), (14, 1552652642), (28, 776326321), (61, 356346508), (122, 178173254), (244, 89086627), (427, 50906644), (854, 25453322), (863, 25187876), (1708, 12726661), (1726, 12593938), (3452, 6296969), (6041, 3598268), (12082, 1799134), (14747, 1474004), (24164, 899567), (29494, 737002), (52643, 412916), (58988, 368501), (103229, 210572), (105286, 206458)]