21201232

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101929}}^1$

素因数の和:101950

約数の個数: 20

約数和(自身を含む): 44237620

約数和(自身を除く): 23036388

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 101929, 203858, 407716, 815432, 1325077, 1630864, 2650154, 5300308, 10600616, 21201232]

約数ペア:

[(1, 21201232), (2, 10600616), (4, 5300308), (8, 2650154), (13, 1630864), (16, 1325077), (26, 815432), (52, 407716), (104, 203858), (208, 101929)]