21647520

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{5011}}^1$

素因数の和:5035

約数の個数: 96

約数和(自身を含む): 75781440

約数和(自身を除く): 54133920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 5011, 10022, 15033, 20044, 25055, 30066, 40088, 45099, 50110, 60132, 75165, 80176, 90198, 100220, 120264, 135297, 150330, 160352, 180396, 200440, 225495, 240528, 270594, 300660, 360792, 400880, 450990, 481056, 541188, 601320, 676485, 721584, 801760, 901980, 1082376, 1202640, 1352970, 1443168, 1803960, 2164752, 2405280, 2705940, 3607920, 4329504, 5411880, 7215840, 10823760, 21647520]

約数ペア:

[(1, 21647520), (2, 10823760), (3, 7215840), (4, 5411880), (5, 4329504), (6, 3607920), (8, 2705940), (9, 2405280), (10, 2164752), (12, 1803960), (15, 1443168), (16, 1352970), (18, 1202640), (20, 1082376), (24, 901980), (27, 801760), (30, 721584), (32, 676485), (36, 601320), (40, 541188), (45, 481056), (48, 450990), (54, 400880), (60, 360792), (72, 300660), (80, 270594), (90, 240528), (96, 225495), (108, 200440), (120, 180396), (135, 160352), (144, 150330), (160, 135297), (180, 120264), (216, 100220), (240, 90198), (270, 80176), (288, 75165), (360, 60132), (432, 50110), (480, 45099), (540, 40088), (720, 30066), (864, 25055), (1080, 20044), (1440, 15033), (2160, 10022), (4320, 5011)]