21386272

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{39313}}^1$

素因数の和:39340

約数の個数: 24

約数和(自身を含む): 44582076

約数和(自身を除く): 23195804

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 39313, 78626, 157252, 314504, 629008, 668321, 1258016, 1336642, 2673284, 5346568, 10693136, 21386272]

約数ペア:

[(1, 21386272), (2, 10693136), (4, 5346568), (8, 2673284), (16, 1336642), (17, 1258016), (32, 668321), (34, 629008), (68, 314504), (136, 157252), (272, 78626), (544, 39313)]