21796156

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{607}}^1$

素因数の和:849

約数の個数: 24

約数和(自身を含む): 39223296

約数和(自身を除く): 17427140

約数列:

[1, 2, 4, 47, 94, 188, 191, 382, 607, 764, 1214, 2428, 8977, 17954, 28529, 35908, 57058, 114116, 115937, 231874, 463748, 5449039, 10898078, 21796156]

約数ペア:

[(1, 21796156), (2, 10898078), (4, 5449039), (47, 463748), (94, 231874), (188, 115937), (191, 114116), (382, 57058), (607, 35908), (764, 28529), (1214, 17954), (2428, 8977)]