21163494

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{320659}}^1$

素因数の和:320675

約数の個数: 16

約数和(自身を含む): 46175040

約数和(自身を除く): 25011546

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 320659, 641318, 961977, 1923954, 3527249, 7054498, 10581747, 21163494]

約数ペア:

[(1, 21163494), (2, 10581747), (3, 7054498), (6, 3527249), (11, 1923954), (22, 961977), (33, 641318), (66, 320659)]