21649264

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14869}}^1$

素因数の和:14897

約数の個数: 40

約数和(自身を含む): 51628640

約数和(自身を除く): 29979376

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 14869, 29738, 59476, 104083, 118952, 193297, 208166, 237904, 386594, 416332, 773188, 832664, 1353079, 1546376, 1665328, 2706158, 3092752, 5412316, 10824632, 21649264]

約数ペア:

[(1, 21649264), (2, 10824632), (4, 5412316), (7, 3092752), (8, 2706158), (13, 1665328), (14, 1546376), (16, 1353079), (26, 832664), (28, 773188), (52, 416332), (56, 386594), (91, 237904), (104, 208166), (112, 193297), (182, 118952), (208, 104083), (364, 59476), (728, 29738), (1456, 14869)]