21668777832

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{499649}}^1$

素因数の和:499810

約数の個数: 64

約数和(自身を含む): 58758840000

約数和(自身を除く): 37090062168

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 139, 156, 278, 312, 417, 556, 834, 1112, 1668, 1807, 3336, 3614, 5421, 7228, 10842, 14456, 21684, 43368, 499649, 999298, 1498947, 1998596, 2997894, 3997192, 5995788, 6495437, 11991576, 12990874, 19486311, 25981748, 38972622, 51963496, 69451211, 77945244, 138902422, 155890488, 208353633, 277804844, 416707266, 555609688, 833414532, 902865743, 1666829064, 1805731486, 2708597229, 3611462972, 5417194458, 7222925944, 10834388916, 21668777832]

約数ペア:

[(1, 21668777832), (2, 10834388916), (3, 7222925944), (4, 5417194458), (6, 3611462972), (8, 2708597229), (12, 1805731486), (13, 1666829064), (24, 902865743), (26, 833414532), (39, 555609688), (52, 416707266), (78, 277804844), (104, 208353633), (139, 155890488), (156, 138902422), (278, 77945244), (312, 69451211), (417, 51963496), (556, 38972622), (834, 25981748), (1112, 19486311), (1668, 12990874), (1807, 11991576), (3336, 6495437), (3614, 5995788), (5421, 3997192), (7228, 2997894), (10842, 1998596), (14456, 1498947), (21684, 999298), (43368, 499649)]