21067276

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{6761}}^1$

素因数の和:6825

約数の個数: 24

約数和(自身を含む): 39760560

約数和(自身を除く): 18693284

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1558, 3116, 6761, 13522, 27044, 128459, 256918, 277201, 513836, 554402, 1108804, 5266819, 10533638, 21067276]

約数ペア:

[(1, 21067276), (2, 10533638), (4, 5266819), (19, 1108804), (38, 554402), (41, 513836), (76, 277201), (82, 256918), (164, 128459), (779, 27044), (1558, 13522), (3116, 6761)]