21726848

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1187}}^1$

素因数の和:1225

約数の個数: 64

約数和(自身を含む): 50893920

約数和(自身を除く): 29167072

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 128, 143, 176, 208, 286, 352, 416, 572, 704, 832, 1144, 1187, 1408, 1664, 2288, 2374, 4576, 4748, 9152, 9496, 13057, 15431, 18304, 18992, 26114, 30862, 37984, 52228, 61724, 75968, 104456, 123448, 151936, 169741, 208912, 246896, 339482, 417824, 493792, 678964, 835648, 987584, 1357928, 1671296, 1975168, 2715856, 5431712, 10863424, 21726848]

約数ペア:

[(1, 21726848), (2, 10863424), (4, 5431712), (8, 2715856), (11, 1975168), (13, 1671296), (16, 1357928), (22, 987584), (26, 835648), (32, 678964), (44, 493792), (52, 417824), (64, 339482), (88, 246896), (104, 208912), (128, 169741), (143, 151936), (176, 123448), (208, 104456), (286, 75968), (352, 61724), (416, 52228), (572, 37984), (704, 30862), (832, 26114), (1144, 18992), (1187, 18304), (1408, 15431), (1664, 13057), (2288, 9496), (2374, 9152), (4576, 4748)]