21106635

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{401}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 38495520

約数和(自身を除く): 17388885

約数列:

[1, 3, 5, 11, 15, 29, 33, 55, 87, 121, 145, 165, 319, 363, 401, 435, 605, 957, 1203, 1595, 1815, 2005, 3509, 4411, 4785, 6015, 10527, 11629, 13233, 17545, 22055, 34887, 48521, 52635, 58145, 66165, 127919, 145563, 174435, 242605, 383757, 639595, 727815, 1407109, 1918785, 4221327, 7035545, 21106635]

約数ペア:

[(1, 21106635), (3, 7035545), (5, 4221327), (11, 1918785), (15, 1407109), (29, 727815), (33, 639595), (55, 383757), (87, 242605), (121, 174435), (145, 145563), (165, 127919), (319, 66165), (363, 58145), (401, 52635), (435, 48521), (605, 34887), (957, 22055), (1203, 17545), (1595, 13233), (1815, 11629), (2005, 10527), (3509, 6015), (4411, 4785)]