16921188

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:713

約数の個数: 72

約数和(自身を含む): 46414368

約数和(自身を除く): 29493180

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, 643, 731, 774, 1286, 1462, 1548, 1929, 2193, 2572, 2924, 3858, 4386, 5787, 6579, 7716, 8772, 10931, 11574, 13158, 21862, 23148, 26316, 27649, 32793, 43724, 55298, 65586, 82947, 98379, 110596, 131172, 165894, 196758, 248841, 331788, 393516, 470033, 497682, 940066, 995364, 1410099, 1880132, 2820198, 4230297, 5640396, 8460594, 16921188]

約数ペア:

[(1, 16921188), (2, 8460594), (3, 5640396), (4, 4230297), (6, 2820198), (9, 1880132), (12, 1410099), (17, 995364), (18, 940066), (34, 497682), (36, 470033), (43, 393516), (51, 331788), (68, 248841), (86, 196758), (102, 165894), (129, 131172), (153, 110596), (172, 98379), (204, 82947), (258, 65586), (306, 55298), (387, 43724), (516, 32793), (612, 27649), (643, 26316), (731, 23148), (774, 21862), (1286, 13158), (1462, 11574), (1548, 10931), (1929, 8772), (2193, 7716), (2572, 6579), (2924, 5787), (3858, 4386)]