21000723292809

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2837}}^1\times {\mathrm{1346143}}^1$

素因数の和:1349046

約数の個数: 48

約数和(自身を含む): 33374635886592

約数和(自身を除く): 12373912593783

約数列:

[1, 3, 9, 13, 39, 47, 117, 141, 423, 611, 1833, 2837, 5499, 8511, 25533, 36881, 110643, 133339, 331929, 400017, 1200051, 1346143, 1733407, 4038429, 5200221, 12115287, 15600663, 17499859, 52499577, 63268721, 157498731, 189806163, 569418489, 822493373, 2467480119, 3819007691, 7402440357, 11457023073, 34371069219, 49647099983, 148941299949, 179493361477, 446823899847, 538480084431, 1615440253293, 2333413699201, 7000241097603, 21000723292809]

約数ペア:

[(1, 21000723292809), (3, 7000241097603), (9, 2333413699201), (13, 1615440253293), (39, 538480084431), (47, 446823899847), (117, 179493361477), (141, 148941299949), (423, 49647099983), (611, 34371069219), (1833, 11457023073), (2837, 7402440357), (5499, 3819007691), (8511, 2467480119), (25533, 822493373), (36881, 569418489), (110643, 189806163), (133339, 157498731), (331929, 63268721), (400017, 52499577), (1200051, 17499859), (1346143, 15600663), (1733407, 12115287), (4038429, 5200221)]