21225734

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:260

約数の個数: 32

約数和(自身を含む): 34546176

約数和(自身を除く): 13320442

約数列:

[1, 2, 23, 46, 67, 71, 97, 134, 142, 194, 1541, 1633, 2231, 3082, 3266, 4462, 4757, 6499, 6887, 9514, 12998, 13774, 109411, 149477, 158401, 218822, 298954, 316802, 461429, 922858, 10612867, 21225734]

約数ペア:

[(1, 21225734), (2, 10612867), (23, 922858), (46, 461429), (67, 316802), (71, 298954), (97, 218822), (134, 158401), (142, 149477), (194, 109411), (1541, 13774), (1633, 12998), (2231, 9514), (3082, 6887), (3266, 6499), (4462, 4757)]