21676336

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1559}}^1$

素因数の和:1657

約数の個数: 40

約数和(自身を含む): 46425600

約数和(自身を除く): 24749264

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 79, 88, 158, 176, 316, 632, 869, 1264, 1559, 1738, 3118, 3476, 6236, 6952, 12472, 13904, 17149, 24944, 34298, 68596, 123161, 137192, 246322, 274384, 492644, 985288, 1354771, 1970576, 2709542, 5419084, 10838168, 21676336]

約数ペア:

[(1, 21676336), (2, 10838168), (4, 5419084), (8, 2709542), (11, 1970576), (16, 1354771), (22, 985288), (44, 492644), (79, 274384), (88, 246322), (158, 137192), (176, 123161), (316, 68596), (632, 34298), (869, 24944), (1264, 17149), (1559, 13904), (1738, 12472), (3118, 6952), (3476, 6236)]