21626703

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 39813120

約数和(自身を除く): 18186417

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 53, 63, 119, 127, 153, 159, 189, 357, 371, 381, 459, 477, 889, 901, 1071, 1113, 1143, 1431, 2159, 2667, 2703, 3213, 3339, 3429, 6307, 6477, 6731, 8001, 8109, 10017, 15113, 18921, 19431, 20193, 24003, 24327, 45339, 47117, 56763, 58293, 60579, 114427, 136017, 141351, 170289, 181737, 343281, 408051, 424053, 800989, 1029843, 1272159, 2402967, 3089529, 7208901, 21626703]

約数ペア:

[(1, 21626703), (3, 7208901), (7, 3089529), (9, 2402967), (17, 1272159), (21, 1029843), (27, 800989), (51, 424053), (53, 408051), (63, 343281), (119, 181737), (127, 170289), (153, 141351), (159, 136017), (189, 114427), (357, 60579), (371, 58293), (381, 56763), (459, 47117), (477, 45339), (889, 24327), (901, 24003), (1071, 20193), (1113, 19431), (1143, 18921), (1431, 15113), (2159, 10017), (2667, 8109), (2703, 8001), (3213, 6731), (3339, 6477), (3429, 6307)]