21541312

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1523}}^1$

素因数の和:1565

約数の個数: 56

約数和(自身を含む): 48774096

約数和(自身を除く): 27232784

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 136, 208, 221, 272, 416, 442, 544, 832, 884, 1088, 1523, 1768, 3046, 3536, 6092, 7072, 12184, 14144, 19799, 24368, 25891, 39598, 48736, 51782, 79196, 97472, 103564, 158392, 207128, 316784, 336583, 414256, 633568, 673166, 828512, 1267136, 1346332, 1657024, 2692664, 5385328, 10770656, 21541312]

約数ペア:

[(1, 21541312), (2, 10770656), (4, 5385328), (8, 2692664), (13, 1657024), (16, 1346332), (17, 1267136), (26, 828512), (32, 673166), (34, 633568), (52, 414256), (64, 336583), (68, 316784), (104, 207128), (136, 158392), (208, 103564), (221, 97472), (272, 79196), (416, 51782), (442, 48736), (544, 39598), (832, 25891), (884, 24368), (1088, 19799), (1523, 14144), (1768, 12184), (3046, 7072), (3536, 6092)]