21780498

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{191057}}^1$

素因数の和:191081

約数の個数: 16

約数和(自身を含む): 45853920

約数和(自身を除く): 24073422

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 191057, 382114, 573171, 1146342, 3630083, 7260166, 10890249, 21780498]

約数ペア:

[(1, 21780498), (2, 10890249), (3, 7260166), (6, 3630083), (19, 1146342), (38, 573171), (57, 382114), (114, 191057)]