21967291712

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1\times {\mathrm{461}}^1$

素因数の和:904

約数の個数: 112

約数和(自身を含む): 46469808000

約数和(自身を除く): 24502516288

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 149, 152, 263, 298, 304, 461, 526, 596, 608, 922, 1052, 1192, 1216, 1844, 2104, 2384, 2831, 3688, 4208, 4768, 4997, 5662, 7376, 8416, 8759, 9536, 9994, 11324, 14752, 16832, 17518, 19988, 22648, 29504, 35036, 39187, 39976, 45296, 68689, 70072, 78374, 79952, 90592, 121243, 137378, 140144, 156748, 159904, 181184, 242486, 274756, 280288, 313496, 319808, 484972, 549512, 560576, 626992, 744553, 969944, 1099024, 1253984, 1305091, 1489106, 1939888, 2198048, 2303617, 2507968, 2610182, 2978212, 3879776, 4396096, 4607234, 5220364, 5956424, 7759552, 9214468, 10440728, 11912848, 18065207, 18428936, 20881456, 23825696, 36130414, 36857872, 41762912, 47651392, 72260828, 73715744, 83525824, 144521656, 147431488, 289043312, 343238933, 578086624, 686477866, 1156173248, 1372955732, 2745911464, 5491822928, 10983645856, 21967291712]

約数ペア:

[(1, 21967291712), (2, 10983645856), (4, 5491822928), (8, 2745911464), (16, 1372955732), (19, 1156173248), (32, 686477866), (38, 578086624), (64, 343238933), (76, 289043312), (149, 147431488), (152, 144521656), (263, 83525824), (298, 73715744), (304, 72260828), (461, 47651392), (526, 41762912), (596, 36857872), (608, 36130414), (922, 23825696), (1052, 20881456), (1192, 18428936), (1216, 18065207), (1844, 11912848), (2104, 10440728), (2384, 9214468), (2831, 7759552), (3688, 5956424), (4208, 5220364), (4768, 4607234), (4997, 4396096), (5662, 3879776), (7376, 2978212), (8416, 2610182), (8759, 2507968), (9536, 2303617), (9994, 2198048), (11324, 1939888), (14752, 1489106), (16832, 1305091), (17518, 1253984), (19988, 1099024), (22648, 969944), (29504, 744553), (35036, 626992), (39187, 560576), (39976, 549512), (45296, 484972), (68689, 319808), (70072, 313496), (78374, 280288), (79952, 274756), (90592, 242486), (121243, 181184), (137378, 159904), (140144, 156748)]