21270295748

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{541}}^1\times {\mathrm{16087}}^1$

素因数の和:16692

約数の個数: 48

約数和(自身を含む): 41017449984

約数和(自身を除く): 19747154236

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 188, 541, 611, 1082, 1222, 2164, 2444, 7033, 14066, 16087, 25427, 28132, 32174, 50854, 64348, 101708, 209131, 330551, 418262, 661102, 756089, 836524, 1322204, 1512178, 3024356, 8703067, 9829157, 17406134, 19658314, 34812268, 39316628, 113139871, 226279742, 409044149, 452559484, 818088298, 1636176596, 5317573937, 10635147874, 21270295748]

約数ペア:

[(1, 21270295748), (2, 10635147874), (4, 5317573937), (13, 1636176596), (26, 818088298), (47, 452559484), (52, 409044149), (94, 226279742), (188, 113139871), (541, 39316628), (611, 34812268), (1082, 19658314), (1222, 17406134), (2164, 9829157), (2444, 8703067), (7033, 3024356), (14066, 1512178), (16087, 1322204), (25427, 836524), (28132, 756089), (32174, 661102), (50854, 418262), (64348, 330551), (101708, 209131)]