21841684

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{1373}}^1$

素因数の和:1515

約数の個数: 24

約数和(自身を含む): 39587688

約数和(自身を除く): 17746004

約数列:

[1, 2, 4, 41, 82, 97, 164, 194, 388, 1373, 2746, 3977, 5492, 7954, 15908, 56293, 112586, 133181, 225172, 266362, 532724, 5460421, 10920842, 21841684]

約数ペア:

[(1, 21841684), (2, 10920842), (4, 5460421), (41, 532724), (82, 266362), (97, 225172), (164, 133181), (194, 112586), (388, 56293), (1373, 15908), (2746, 7954), (3977, 5492)]