21839520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{263}}^1$

素因数の和:454

約数の個数: 96

約数和(自身を含む): 69455232

約数和(自身を除く): 47615712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 173, 240, 263, 346, 480, 519, 526, 692, 789, 865, 1038, 1052, 1315, 1384, 1578, 1730, 2076, 2104, 2595, 2630, 2768, 3156, 3460, 3945, 4152, 4208, 5190, 5260, 5536, 6312, 6920, 7890, 8304, 8416, 10380, 10520, 12624, 13840, 15780, 16608, 20760, 21040, 25248, 27680, 31560, 41520, 42080, 45499, 63120, 83040, 90998, 126240, 136497, 181996, 227495, 272994, 363992, 454990, 545988, 682485, 727984, 909980, 1091976, 1364970, 1455968, 1819960, 2183952, 2729940, 3639920, 4367904, 5459880, 7279840, 10919760, 21839520]

約数ペア:

[(1, 21839520), (2, 10919760), (3, 7279840), (4, 5459880), (5, 4367904), (6, 3639920), (8, 2729940), (10, 2183952), (12, 1819960), (15, 1455968), (16, 1364970), (20, 1091976), (24, 909980), (30, 727984), (32, 682485), (40, 545988), (48, 454990), (60, 363992), (80, 272994), (96, 227495), (120, 181996), (160, 136497), (173, 126240), (240, 90998), (263, 83040), (346, 63120), (480, 45499), (519, 42080), (526, 41520), (692, 31560), (789, 27680), (865, 25248), (1038, 21040), (1052, 20760), (1315, 16608), (1384, 15780), (1578, 13840), (1730, 12624), (2076, 10520), (2104, 10380), (2595, 8416), (2630, 8304), (2768, 7890), (3156, 6920), (3460, 6312), (3945, 5536), (4152, 5260), (4208, 5190)]