21425248

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{51503}}^1$

素因数の和:51526

約数の個数: 24

約数和(自身を含む): 45426528

約数和(自身を除く): 24001280

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 51503, 103006, 206012, 412024, 669539, 824048, 1339078, 1648096, 2678156, 5356312, 10712624, 21425248]

約数ペア:

[(1, 21425248), (2, 10712624), (4, 5356312), (8, 2678156), (13, 1648096), (16, 1339078), (26, 824048), (32, 669539), (52, 412024), (104, 206012), (208, 103006), (416, 51503)]