21701888

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{6521}}^1$

素因数の和:6550

約数の個数: 36

約数和(自身を含む): 46658388

約数和(自身を除く): 24956500

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 6521, 13042, 26084, 52168, 84773, 104336, 169546, 208672, 339092, 417344, 678184, 834688, 1356368, 1669376, 2712736, 5425472, 10850944, 21701888]

約数ペア:

[(1, 21701888), (2, 10850944), (4, 5425472), (8, 2712736), (13, 1669376), (16, 1356368), (26, 834688), (32, 678184), (52, 417344), (64, 339092), (104, 208672), (128, 169546), (208, 104336), (256, 84773), (416, 52168), (832, 26084), (1664, 13042), (3328, 6521)]