21831893

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{263}}^1$

素因数の和:556

約数の個数: 16

約数和(自身を含む): 24520320

約数和(自身を除く): 2688427

約数列:

[1, 17, 19, 257, 263, 323, 4369, 4471, 4883, 4997, 67591, 83011, 84949, 1149047, 1284229, 21831893]

約数ペア:

[(1, 21831893), (17, 1284229), (19, 1149047), (257, 84949), (263, 83011), (323, 67591), (4369, 4997), (4471, 4883)]