21643968

素因数分解:

$2^6\times 3^1\times {\mathrm{139}}^1\times {\mathrm{811}}^1$

素因数の和:965

約数の個数: 56

約数和(自身を含む): 57749440

約数和(自身を除く): 36105472

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 139, 192, 278, 417, 556, 811, 834, 1112, 1622, 1668, 2224, 2433, 3244, 3336, 4448, 4866, 6488, 6672, 8896, 9732, 12976, 13344, 19464, 25952, 26688, 38928, 51904, 77856, 112729, 155712, 225458, 338187, 450916, 676374, 901832, 1352748, 1803664, 2705496, 3607328, 5410992, 7214656, 10821984, 21643968]

約数ペア:

[(1, 21643968), (2, 10821984), (3, 7214656), (4, 5410992), (6, 3607328), (8, 2705496), (12, 1803664), (16, 1352748), (24, 901832), (32, 676374), (48, 450916), (64, 338187), (96, 225458), (139, 155712), (192, 112729), (278, 77856), (417, 51904), (556, 38928), (811, 26688), (834, 25952), (1112, 19464), (1622, 13344), (1668, 12976), (2224, 9732), (2433, 8896), (3244, 6672), (3336, 6488), (4448, 4866)]