21560418

素因数分解:

$2^1\times 3^5\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:174

約数の個数: 96

約数和(自身を含む): 54774720

約数和(自身を除く): 33214302

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 37, 54, 66, 74, 81, 99, 109, 111, 162, 198, 218, 222, 243, 297, 327, 333, 407, 486, 594, 654, 666, 814, 891, 981, 999, 1199, 1221, 1782, 1962, 1998, 2398, 2442, 2673, 2943, 2997, 3597, 3663, 4033, 5346, 5886, 5994, 7194, 7326, 8066, 8829, 8991, 10791, 10989, 12099, 17658, 17982, 21582, 21978, 24198, 26487, 32373, 32967, 36297, 44363, 52974, 64746, 65934, 72594, 88726, 97119, 98901, 108891, 133089, 194238, 197802, 217782, 266178, 291357, 326673, 399267, 582714, 653346, 798534, 980019, 1197801, 1960038, 2395602, 3593403, 7186806, 10780209, 21560418]

約数ペア:

[(1, 21560418), (2, 10780209), (3, 7186806), (6, 3593403), (9, 2395602), (11, 1960038), (18, 1197801), (22, 980019), (27, 798534), (33, 653346), (37, 582714), (54, 399267), (66, 326673), (74, 291357), (81, 266178), (99, 217782), (109, 197802), (111, 194238), (162, 133089), (198, 108891), (218, 98901), (222, 97119), (243, 88726), (297, 72594), (327, 65934), (333, 64746), (407, 52974), (486, 44363), (594, 36297), (654, 32967), (666, 32373), (814, 26487), (891, 24198), (981, 21978), (999, 21582), (1199, 17982), (1221, 17658), (1782, 12099), (1962, 10989), (1998, 10791), (2398, 8991), (2442, 8829), (2673, 8066), (2943, 7326), (2997, 7194), (3597, 5994), (3663, 5886), (4033, 5346)]