21115691116

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21372157}}^1$

素因数の和:21372193

約数の個数: 24

約数和(自身を含む): 41889429680

約数和(自身を除く): 20773738564

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 21372157, 42744314, 85488628, 277838041, 406070983, 555676082, 812141966, 1111352164, 1624283932, 5278922779, 10557845558, 21115691116]

約数ペア:

[(1, 21115691116), (2, 10557845558), (4, 5278922779), (13, 1624283932), (19, 1111352164), (26, 812141966), (38, 555676082), (52, 406070983), (76, 277838041), (247, 85488628), (494, 42744314), (988, 21372157)]