21170656

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{50891}}^1$

素因数の和:50914

約数の個数: 24

約数和(自身を含む): 44886744

約数和(自身を除く): 23716088

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 50891, 101782, 203564, 407128, 661583, 814256, 1323166, 1628512, 2646332, 5292664, 10585328, 21170656]

約数ペア:

[(1, 21170656), (2, 10585328), (4, 5292664), (8, 2646332), (13, 1628512), (16, 1323166), (26, 814256), (32, 661583), (52, 407128), (104, 203564), (208, 101782), (416, 50891)]