21477248

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{12907}}^1$

素因数の和:12934

約数の個数: 32

約数和(自身を含む): 46081560

約数和(自身を除く): 24604312

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 12907, 25814, 51628, 103256, 167791, 206512, 335582, 413024, 671164, 826048, 1342328, 1652096, 2684656, 5369312, 10738624, 21477248]

約数ペア:

[(1, 21477248), (2, 10738624), (4, 5369312), (8, 2684656), (13, 1652096), (16, 1342328), (26, 826048), (32, 671164), (52, 413024), (64, 335582), (104, 206512), (128, 167791), (208, 103256), (416, 51628), (832, 25814), (1664, 12907)]