21409630536

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1\times {\mathrm{3571}}^1$

素因数の和:3995

約数の個数: 128

約数和(自身を含む): 61888757760

約数和(自身を除く): 40479127224

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 127, 168, 254, 281, 381, 508, 562, 762, 843, 889, 1016, 1124, 1524, 1686, 1778, 1967, 2248, 2667, 3048, 3372, 3556, 3571, 3934, 5334, 5901, 6744, 7112, 7142, 7868, 10668, 10713, 11802, 14284, 15736, 21336, 21426, 23604, 24997, 28568, 35687, 42852, 47208, 49994, 71374, 74991, 85704, 99988, 107061, 142748, 149982, 199976, 214122, 249809, 285496, 299964, 428244, 453517, 499618, 599928, 749427, 856488, 907034, 999236, 1003451, 1360551, 1498854, 1814068, 1998472, 2006902, 2721102, 2997708, 3010353, 3174619, 3628136, 4013804, 5442204, 5995416, 6020706, 6349238, 7024157, 8027608, 9523857, 10884408, 12041412, 12698476, 14048314, 19047714, 21072471, 24082824, 25396952, 28096628, 38095428, 42144942, 56193256, 76190856, 84289884, 127438277, 168579768, 254876554, 382314831, 509753108, 764629662, 892067939, 1019506216, 1529259324, 1784135878, 2676203817, 3058518648, 3568271756, 5352407634, 7136543512, 10704815268, 21409630536]

約数ペア:

[(1, 21409630536), (2, 10704815268), (3, 7136543512), (4, 5352407634), (6, 3568271756), (7, 3058518648), (8, 2676203817), (12, 1784135878), (14, 1529259324), (21, 1019506216), (24, 892067939), (28, 764629662), (42, 509753108), (56, 382314831), (84, 254876554), (127, 168579768), (168, 127438277), (254, 84289884), (281, 76190856), (381, 56193256), (508, 42144942), (562, 38095428), (762, 28096628), (843, 25396952), (889, 24082824), (1016, 21072471), (1124, 19047714), (1524, 14048314), (1686, 12698476), (1778, 12041412), (1967, 10884408), (2248, 9523857), (2667, 8027608), (3048, 7024157), (3372, 6349238), (3556, 6020706), (3571, 5995416), (3934, 5442204), (5334, 4013804), (5901, 3628136), (6744, 3174619), (7112, 3010353), (7142, 2997708), (7868, 2721102), (10668, 2006902), (10713, 1998472), (11802, 1814068), (14284, 1498854), (15736, 1360551), (21336, 1003451), (21426, 999236), (23604, 907034), (24997, 856488), (28568, 749427), (35687, 599928), (42852, 499618), (47208, 453517), (49994, 428244), (71374, 299964), (74991, 285496), (85704, 249809), (99988, 214122), (107061, 199976), (142748, 149982)]