21973198

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{2017}}^1$

素因数の和:2451

約数の個数: 16

約数和(自身を含む): 35597520

約数和(自身を除く): 13624322

約数列:

[1, 2, 13, 26, 419, 838, 2017, 4034, 5447, 10894, 26221, 52442, 845123, 1690246, 10986599, 21973198]

約数ペア:

[(1, 21973198), (2, 10986599), (13, 1690246), (26, 845123), (419, 52442), (838, 26221), (2017, 10894), (4034, 5447)]