2021397768

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{239957}}^1$

素因数の和:239988

約数の個数: 80

約数和(自身を含む): 6097332780

約数和(自身を除く): 4075935012

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 312, 324, 351, 468, 648, 702, 936, 1053, 1404, 2106, 2808, 4212, 8424, 239957, 479914, 719871, 959828, 1439742, 1919656, 2159613, 2879484, 3119441, 4319226, 5758968, 6238882, 6478839, 8638452, 9358323, 12477764, 12957678, 17276904, 18716646, 19436517, 24955528, 25915356, 28074969, 37433292, 38873034, 51830712, 56149938, 74866584, 77746068, 84224907, 112299876, 155492136, 168449814, 224599752, 252674721, 336899628, 505349442, 673799256, 1010698884, 2021397768]

約数ペア:

[(1, 2021397768), (2, 1010698884), (3, 673799256), (4, 505349442), (6, 336899628), (8, 252674721), (9, 224599752), (12, 168449814), (13, 155492136), (18, 112299876), (24, 84224907), (26, 77746068), (27, 74866584), (36, 56149938), (39, 51830712), (52, 38873034), (54, 37433292), (72, 28074969), (78, 25915356), (81, 24955528), (104, 19436517), (108, 18716646), (117, 17276904), (156, 12957678), (162, 12477764), (216, 9358323), (234, 8638452), (312, 6478839), (324, 6238882), (351, 5758968), (468, 4319226), (648, 3119441), (702, 2879484), (936, 2159613), (1053, 1919656), (1404, 1439742), (2106, 959828), (2808, 719871), (4212, 479914), (8424, 239957)]