21131036346

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{629687}}^1$

素因数の和:629763

約数の個数: 64

約数和(自身を含む): 52228841472

約数和(自身を除く): 31097805126

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 47, 51, 94, 102, 119, 141, 238, 282, 329, 357, 658, 714, 799, 987, 1598, 1974, 2397, 4794, 5593, 11186, 16779, 33558, 629687, 1259374, 1889061, 3778122, 4407809, 8815618, 10704679, 13223427, 21409358, 26446854, 29595289, 32114037, 59190578, 64228074, 74932753, 88785867, 149865506, 177571734, 207167023, 224798259, 414334046, 449596518, 503119913, 621501069, 1006239826, 1243002138, 1509359739, 3018719478, 3521839391, 7043678782, 10565518173, 21131036346]

約数ペア:

[(1, 21131036346), (2, 10565518173), (3, 7043678782), (6, 3521839391), (7, 3018719478), (14, 1509359739), (17, 1243002138), (21, 1006239826), (34, 621501069), (42, 503119913), (47, 449596518), (51, 414334046), (94, 224798259), (102, 207167023), (119, 177571734), (141, 149865506), (238, 88785867), (282, 74932753), (329, 64228074), (357, 59190578), (658, 32114037), (714, 29595289), (799, 26446854), (987, 21409358), (1598, 13223427), (1974, 10704679), (2397, 8815618), (4794, 4407809), (5593, 3778122), (11186, 1889061), (16779, 1259374), (33558, 629687)]