21703000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{1973}}^1$

素因数の和:2005

約数の個数: 64

約数和(自身を含む): 55429920

約数和(自身を除く): 33726920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 250, 275, 440, 500, 550, 1000, 1100, 1375, 1973, 2200, 2750, 3946, 5500, 7892, 9865, 11000, 15784, 19730, 21703, 39460, 43406, 49325, 78920, 86812, 98650, 108515, 173624, 197300, 217030, 246625, 394600, 434060, 493250, 542575, 868120, 986500, 1085150, 1973000, 2170300, 2712875, 4340600, 5425750, 10851500, 21703000]

約数ペア:

[(1, 21703000), (2, 10851500), (4, 5425750), (5, 4340600), (8, 2712875), (10, 2170300), (11, 1973000), (20, 1085150), (22, 986500), (25, 868120), (40, 542575), (44, 493250), (50, 434060), (55, 394600), (88, 246625), (100, 217030), (110, 197300), (125, 173624), (200, 108515), (220, 98650), (250, 86812), (275, 78920), (440, 49325), (500, 43406), (550, 39460), (1000, 21703), (1100, 19730), (1375, 15784), (1973, 11000), (2200, 9865), (2750, 7892), (3946, 5500)]