21167791893

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{538333}}^1$

素因数の和:538613

約数の個数: 24

約数和(自身を含む): 32500300248

約数和(自身を除く): 11332508355

約数列:

[1, 3, 9, 17, 51, 153, 257, 771, 2313, 4369, 13107, 39321, 538333, 1614999, 4844997, 9151661, 27454983, 82364949, 138351581, 415054743, 1245164229, 2351976877, 7055930631, 21167791893]

約数ペア:

[(1, 21167791893), (3, 7055930631), (9, 2351976877), (17, 1245164229), (51, 415054743), (153, 138351581), (257, 82364949), (771, 27454983), (2313, 9151661), (4369, 4844997), (13107, 1614999), (39321, 538333)]