21687887494

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{25457}}^1$

素因数の和:25661

約数の個数: 64

約数和(自身を含む): 41606111232

約数和(自身を除く): 19918223738

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 151, 182, 217, 302, 403, 434, 806, 1057, 1963, 2114, 2821, 3926, 4681, 5642, 9362, 13741, 25457, 27482, 32767, 50914, 60853, 65534, 121706, 178199, 330941, 356398, 425971, 661882, 789167, 851942, 1578334, 2316587, 3844007, 4633174, 5524169, 7688014, 10259171, 11048338, 20518342, 26908049, 49972091, 53816098, 71814197, 99944182, 119164217, 143628394, 238328434, 349804637, 699609274, 834149519, 1549134821, 1668299038, 3098269642, 10843943747, 21687887494]

約数ペア:

[(1, 21687887494), (2, 10843943747), (7, 3098269642), (13, 1668299038), (14, 1549134821), (26, 834149519), (31, 699609274), (62, 349804637), (91, 238328434), (151, 143628394), (182, 119164217), (217, 99944182), (302, 71814197), (403, 53816098), (434, 49972091), (806, 26908049), (1057, 20518342), (1963, 11048338), (2114, 10259171), (2821, 7688014), (3926, 5524169), (4681, 4633174), (5642, 3844007), (9362, 2316587), (13741, 1578334), (25457, 851942), (27482, 789167), (32767, 661882), (50914, 425971), (60853, 356398), (65534, 330941), (121706, 178199)]