21192900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1723}}^1$

素因数の和:1781

約数の個数: 72

約数和(自身を含む): 62850144

約数和(自身を除く): 41657244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 41, 50, 60, 75, 82, 100, 123, 150, 164, 205, 246, 300, 410, 492, 615, 820, 1025, 1230, 1723, 2050, 2460, 3075, 3446, 4100, 5169, 6150, 6892, 8615, 10338, 12300, 17230, 20676, 25845, 34460, 43075, 51690, 70643, 86150, 103380, 129225, 141286, 172300, 211929, 258450, 282572, 353215, 423858, 516900, 706430, 847716, 1059645, 1412860, 1766075, 2119290, 3532150, 4238580, 5298225, 7064300, 10596450, 21192900]

約数ペア:

[(1, 21192900), (2, 10596450), (3, 7064300), (4, 5298225), (5, 4238580), (6, 3532150), (10, 2119290), (12, 1766075), (15, 1412860), (20, 1059645), (25, 847716), (30, 706430), (41, 516900), (50, 423858), (60, 353215), (75, 282572), (82, 258450), (100, 211929), (123, 172300), (150, 141286), (164, 129225), (205, 103380), (246, 86150), (300, 70643), (410, 51690), (492, 43075), (615, 34460), (820, 25845), (1025, 20676), (1230, 17230), (1723, 12300), (2050, 10338), (2460, 8615), (3075, 6892), (3446, 6150), (4100, 5169)]