21422472849

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{643}}^1$

素因数の和:931

約数の個数: 96

約数和(自身を含む): 35009694720

約数和(自身を除く): 13587221871

約数列:

[1, 3, 9, 19, 23, 43, 57, 69, 129, 171, 197, 207, 387, 437, 591, 643, 817, 989, 1311, 1773, 1929, 2451, 2967, 3743, 3933, 4531, 5787, 7353, 8471, 8901, 11229, 12217, 13593, 14789, 18791, 25413, 27649, 33687, 36651, 40779, 44367, 56373, 76239, 82947, 86089, 109953, 126671, 133101, 160949, 169119, 194833, 248841, 258267, 280991, 380013, 482847, 525331, 584499, 635927, 774801, 842973, 1140039, 1448541, 1575993, 1753497, 1907781, 2406749, 2528919, 2913433, 3701827, 4727979, 5446853, 5723343, 7220247, 8740299, 11105481, 12082613, 16340559, 21660741, 26220897, 33316443, 36247839, 49021677, 55355227, 103490207, 108743517, 125277619, 166065681, 310470621, 375832857, 498197043, 931411863, 1127498571, 2380274761, 7140824283, 21422472849]

約数ペア:

[(1, 21422472849), (3, 7140824283), (9, 2380274761), (19, 1127498571), (23, 931411863), (43, 498197043), (57, 375832857), (69, 310470621), (129, 166065681), (171, 125277619), (197, 108743517), (207, 103490207), (387, 55355227), (437, 49021677), (591, 36247839), (643, 33316443), (817, 26220897), (989, 21660741), (1311, 16340559), (1773, 12082613), (1929, 11105481), (2451, 8740299), (2967, 7220247), (3743, 5723343), (3933, 5446853), (4531, 4727979), (5787, 3701827), (7353, 2913433), (8471, 2528919), (8901, 2406749), (11229, 1907781), (12217, 1753497), (13593, 1575993), (14789, 1448541), (18791, 1140039), (25413, 842973), (27649, 774801), (33687, 635927), (36651, 584499), (40779, 525331), (44367, 482847), (56373, 380013), (76239, 280991), (82947, 258267), (86089, 248841), (109953, 194833), (126671, 169119), (133101, 160949)]