21092656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4409}}^1$

素因数の和:4453

約数の個数: 40

約数和(自身を含む): 45934560

約数和(自身を除く): 24841904

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 598, 1196, 2392, 4409, 4784, 8818, 17636, 35272, 57317, 70544, 101407, 114634, 202814, 229268, 405628, 458536, 811256, 917072, 1318291, 1622512, 2636582, 5273164, 10546328, 21092656]

約数ペア:

[(1, 21092656), (2, 10546328), (4, 5273164), (8, 2636582), (13, 1622512), (16, 1318291), (23, 917072), (26, 811256), (46, 458536), (52, 405628), (92, 229268), (104, 202814), (184, 114634), (208, 101407), (299, 70544), (368, 57317), (598, 35272), (1196, 17636), (2392, 8818), (4409, 4784)]