21419671

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5741}}^1$

素因数の和:5802

約数の個数: 16

約数和(自身を含む): 27010368

約数和(自身を除く): 5590697

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 5741, 40187, 74633, 235381, 522431, 1647667, 3059953, 21419671]

約数ペア:

[(1, 21419671), (7, 3059953), (13, 1647667), (41, 522431), (91, 235381), (287, 74633), (533, 40187), (3731, 5741)]