21001409424

素因数分解:

$2^4\times 3^2\times {\mathrm{53}}^1\times {\mathrm{67}}^2\times {\mathrm{613}}^1$

素因数の和:814

約数の個数: 180

約数和(自身を含む): 60890032476

約数和(自身を除く): 39888623052

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 53, 67, 72, 106, 134, 144, 159, 201, 212, 268, 318, 402, 424, 477, 536, 603, 613, 636, 804, 848, 954, 1072, 1206, 1226, 1272, 1608, 1839, 1908, 2412, 2452, 2544, 3216, 3551, 3678, 3816, 4489, 4824, 4904, 5517, 7102, 7356, 7632, 8978, 9648, 9808, 10653, 11034, 13467, 14204, 14712, 17956, 21306, 22068, 26934, 28408, 29424, 31959, 32489, 35912, 40401, 41071, 42612, 44136, 53868, 56816, 63918, 64978, 71824, 80802, 82142, 85224, 88272, 97467, 107736, 123213, 127836, 129956, 161604, 164284, 170448, 194934, 215472, 237917, 246426, 255672, 259912, 292401, 323208, 328568, 369639, 389868, 475834, 492852, 511344, 519824, 584802, 646416, 657136, 713751, 739278, 779736, 951668, 985704, 1169604, 1427502, 1478556, 1559472, 1903336, 1971408, 2141253, 2176763, 2339208, 2751757, 2855004, 2957112, 3806672, 4282506, 4353526, 4678416, 5503514, 5710008, 5914224, 6530289, 8255271, 8565012, 8707052, 11007028, 11420016, 13060578, 16510542, 17130024, 17414104, 19590867, 22014056, 24765813, 26121156, 33021084, 34260048, 34828208, 39181734, 44028112, 49531626, 52242312, 66042168, 78363468, 99063252, 104484624, 132084336, 145843121, 156726936, 198126504, 291686242, 313453872, 396253008, 437529363, 583372484, 875058726, 1166744968, 1312588089, 1750117452, 2333489936, 2625176178, 3500234904, 5250352356, 7000469808, 10500704712, 21001409424]

約数ペア:

[(1, 21001409424), (2, 10500704712), (3, 7000469808), (4, 5250352356), (6, 3500234904), (8, 2625176178), (9, 2333489936), (12, 1750117452), (16, 1312588089), (18, 1166744968), (24, 875058726), (36, 583372484), (48, 437529363), (53, 396253008), (67, 313453872), (72, 291686242), (106, 198126504), (134, 156726936), (144, 145843121), (159, 132084336), (201, 104484624), (212, 99063252), (268, 78363468), (318, 66042168), (402, 52242312), (424, 49531626), (477, 44028112), (536, 39181734), (603, 34828208), (613, 34260048), (636, 33021084), (804, 26121156), (848, 24765813), (954, 22014056), (1072, 19590867), (1206, 17414104), (1226, 17130024), (1272, 16510542), (1608, 13060578), (1839, 11420016), (1908, 11007028), (2412, 8707052), (2452, 8565012), (2544, 8255271), (3216, 6530289), (3551, 5914224), (3678, 5710008), (3816, 5503514), (4489, 4678416), (4824, 4353526), (4904, 4282506), (5517, 3806672), (7102, 2957112), (7356, 2855004), (7632, 2751757), (8978, 2339208), (9648, 2176763), (9808, 2141253), (10653, 1971408), (11034, 1903336), (13467, 1559472), (14204, 1478556), (14712, 1427502), (17956, 1169604), (21306, 985704), (22068, 951668), (26934, 779736), (28408, 739278), (29424, 713751), (31959, 657136), (32489, 646416), (35912, 584802), (40401, 519824), (41071, 511344), (42612, 492852), (44136, 475834), (53868, 389868), (56816, 369639), (63918, 328568), (64978, 323208), (71824, 292401), (80802, 259912), (82142, 255672), (85224, 246426), (88272, 237917), (97467, 215472), (107736, 194934), (123213, 170448), (127836, 164284), (129956, 161604)]