21479546

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:430

約数の個数: 32

約数和(自身を含む): 36780480

約数和(自身を除く): 15300934

約数列:

[1, 2, 11, 22, 29, 58, 131, 257, 262, 319, 514, 638, 1441, 2827, 2882, 3799, 5654, 7453, 7598, 14906, 33667, 41789, 67334, 81983, 83578, 163966, 370337, 740674, 976343, 1952686, 10739773, 21479546]

約数ペア:

[(1, 21479546), (2, 10739773), (11, 1952686), (22, 976343), (29, 740674), (58, 370337), (131, 163966), (257, 83578), (262, 81983), (319, 67334), (514, 41789), (638, 33667), (1441, 14906), (2827, 7598), (2882, 7453), (3799, 5654)]