21900977

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2791}}^1$

素因数の和:2876

約数の個数: 16

約数和(自身を含む): 26803200

約数和(自身を除く): 4902223

約数列:

[1, 7, 19, 59, 133, 413, 1121, 2791, 7847, 19537, 53029, 164669, 371203, 1152683, 3128711, 21900977]

約数ペア:

[(1, 21900977), (7, 3128711), (19, 1152683), (59, 371203), (133, 164669), (413, 53029), (1121, 19537), (2791, 7847)]