21042240

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{953}}^1$

素因数の和:996

約数の個数: 112

約数和(自身を含む): 69787008

約数和(自身を除く): 48744768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 138, 160, 184, 192, 230, 240, 276, 320, 345, 368, 460, 480, 552, 690, 736, 920, 953, 960, 1104, 1380, 1472, 1840, 1906, 2208, 2760, 2859, 3680, 3812, 4416, 4765, 5520, 5718, 7360, 7624, 9530, 11040, 11436, 14295, 15248, 19060, 21919, 22080, 22872, 28590, 30496, 38120, 43838, 45744, 57180, 60992, 65757, 76240, 87676, 91488, 109595, 114360, 131514, 152480, 175352, 182976, 219190, 228720, 263028, 304960, 328785, 350704, 438380, 457440, 526056, 657570, 701408, 876760, 914880, 1052112, 1315140, 1402816, 1753520, 2104224, 2630280, 3507040, 4208448, 5260560, 7014080, 10521120, 21042240]

約数ペア:

[(1, 21042240), (2, 10521120), (3, 7014080), (4, 5260560), (5, 4208448), (6, 3507040), (8, 2630280), (10, 2104224), (12, 1753520), (15, 1402816), (16, 1315140), (20, 1052112), (23, 914880), (24, 876760), (30, 701408), (32, 657570), (40, 526056), (46, 457440), (48, 438380), (60, 350704), (64, 328785), (69, 304960), (80, 263028), (92, 228720), (96, 219190), (115, 182976), (120, 175352), (138, 152480), (160, 131514), (184, 114360), (192, 109595), (230, 91488), (240, 87676), (276, 76240), (320, 65757), (345, 60992), (368, 57180), (460, 45744), (480, 43838), (552, 38120), (690, 30496), (736, 28590), (920, 22872), (953, 22080), (960, 21919), (1104, 19060), (1380, 15248), (1472, 14295), (1840, 11436), (1906, 11040), (2208, 9530), (2760, 7624), (2859, 7360), (3680, 5718), (3812, 5520), (4416, 4765)]