21307484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{9137}}^1$

素因数の和:9205

約数の個数: 24

約数和(自身を含む): 41449968

約数和(自身を除く): 20142484

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 583, 1166, 2332, 9137, 18274, 36548, 100507, 201014, 402028, 484261, 968522, 1937044, 5326871, 10653742, 21307484]

約数ペア:

[(1, 21307484), (2, 10653742), (4, 5326871), (11, 1937044), (22, 968522), (44, 484261), (53, 402028), (106, 201014), (212, 100507), (583, 36548), (1166, 18274), (2332, 9137)]