21496562451

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{2689}}^1$

素因数の和:2985

約数の個数: 96

約数和(自身を含む): 39291732480

約数和(自身を除く): 17795170029

約数列:

[1, 3, 7, 9, 13, 21, 39, 43, 63, 91, 117, 129, 227, 273, 301, 387, 559, 681, 819, 903, 1589, 1677, 2043, 2689, 2709, 2951, 3913, 4767, 5031, 8067, 8853, 9761, 11739, 14301, 18823, 20657, 24201, 26559, 29283, 34957, 35217, 56469, 61971, 68327, 87849, 104871, 115627, 126893, 169407, 185913, 204981, 244699, 314613, 346881, 380679, 610403, 614943, 734097, 809389, 888251, 1040643, 1142037, 1503151, 1831209, 2202291, 2428167, 2664753, 4272821, 4509453, 5493627, 7284501, 7935239, 7994259, 10522057, 12818463, 13528359, 23805717, 26247329, 31566171, 38455389, 55546673, 71417151, 78741987, 94698513, 166640019, 183731303, 236225961, 341215277, 499920057, 551193909, 1023645831, 1653581727, 2388506939, 3070937493, 7165520817, 21496562451]

約数ペア:

[(1, 21496562451), (3, 7165520817), (7, 3070937493), (9, 2388506939), (13, 1653581727), (21, 1023645831), (39, 551193909), (43, 499920057), (63, 341215277), (91, 236225961), (117, 183731303), (129, 166640019), (227, 94698513), (273, 78741987), (301, 71417151), (387, 55546673), (559, 38455389), (681, 31566171), (819, 26247329), (903, 23805717), (1589, 13528359), (1677, 12818463), (2043, 10522057), (2689, 7994259), (2709, 7935239), (2951, 7284501), (3913, 5493627), (4767, 4509453), (5031, 4272821), (8067, 2664753), (8853, 2428167), (9761, 2202291), (11739, 1831209), (14301, 1503151), (18823, 1142037), (20657, 1040643), (24201, 888251), (26559, 809389), (29283, 734097), (34957, 614943), (35217, 610403), (56469, 380679), (61971, 346881), (68327, 314613), (87849, 244699), (104871, 204981), (115627, 185913), (126893, 169407)]