21342276

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{811}}^1$

素因数の和:881

約数の個数: 72

約数和(自身を含む): 58522464

約数和(自身を除く): 37180188

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 43, 51, 68, 86, 102, 129, 153, 172, 204, 258, 306, 387, 516, 612, 731, 774, 811, 1462, 1548, 1622, 2193, 2433, 2924, 3244, 4386, 4866, 6579, 7299, 8772, 9732, 13158, 13787, 14598, 26316, 27574, 29196, 34873, 41361, 55148, 69746, 82722, 104619, 124083, 139492, 165444, 209238, 248166, 313857, 418476, 496332, 592841, 627714, 1185682, 1255428, 1778523, 2371364, 3557046, 5335569, 7114092, 10671138, 21342276]

約数ペア:

[(1, 21342276), (2, 10671138), (3, 7114092), (4, 5335569), (6, 3557046), (9, 2371364), (12, 1778523), (17, 1255428), (18, 1185682), (34, 627714), (36, 592841), (43, 496332), (51, 418476), (68, 313857), (86, 248166), (102, 209238), (129, 165444), (153, 139492), (172, 124083), (204, 104619), (258, 82722), (306, 69746), (387, 55148), (516, 41361), (612, 34873), (731, 29196), (774, 27574), (811, 26316), (1462, 14598), (1548, 13787), (1622, 13158), (2193, 9732), (2433, 8772), (2924, 7299), (3244, 6579), (4386, 4866)]