21814912

素因数分解:

$2^7\times 7^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:369

約数の個数: 64

約数和(自身を含む): 50379840

約数和(自身を除く): 28564928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 97, 112, 128, 194, 224, 251, 388, 448, 502, 679, 776, 896, 1004, 1358, 1552, 1757, 2008, 2716, 3104, 3514, 4016, 5432, 6208, 7028, 8032, 10864, 12416, 14056, 16064, 21728, 24347, 28112, 32128, 43456, 48694, 56224, 86912, 97388, 112448, 170429, 194776, 224896, 340858, 389552, 681716, 779104, 1363432, 1558208, 2726864, 3116416, 5453728, 10907456, 21814912]

約数ペア:

[(1, 21814912), (2, 10907456), (4, 5453728), (7, 3116416), (8, 2726864), (14, 1558208), (16, 1363432), (28, 779104), (32, 681716), (56, 389552), (64, 340858), (97, 224896), (112, 194776), (128, 170429), (194, 112448), (224, 97388), (251, 86912), (388, 56224), (448, 48694), (502, 43456), (679, 32128), (776, 28112), (896, 24347), (1004, 21728), (1358, 16064), (1552, 14056), (1757, 12416), (2008, 10864), (2716, 8032), (3104, 7028), (3514, 6208), (4016, 5432)]