21342485984

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1427}}^1\times {\mathrm{1447}}^1$

素因数の和:2920

約数の個数: 96

約数和(自身を含む): 46896433920

約数和(自身を除く): 25553947936

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 68, 76, 136, 152, 272, 304, 323, 544, 608, 646, 1292, 1427, 1447, 2584, 2854, 2894, 5168, 5708, 5788, 10336, 11416, 11576, 22832, 23152, 24259, 24599, 27113, 27493, 45664, 46304, 48518, 49198, 54226, 54986, 97036, 98396, 108452, 109972, 194072, 196792, 216904, 219944, 388144, 393584, 433808, 439888, 460921, 467381, 776288, 787168, 867616, 879776, 921842, 934762, 1843684, 1869524, 2064869, 3687368, 3739048, 4129738, 7374736, 7478096, 8259476, 14749472, 14956192, 16518952, 33037904, 35102773, 39232511, 66075808, 70205546, 78465022, 140411092, 156930044, 280822184, 313860088, 561644368, 627720176, 666952687, 1123288736, 1255440352, 1333905374, 2667810748, 5335621496, 10671242992, 21342485984]

約数ペア:

[(1, 21342485984), (2, 10671242992), (4, 5335621496), (8, 2667810748), (16, 1333905374), (17, 1255440352), (19, 1123288736), (32, 666952687), (34, 627720176), (38, 561644368), (68, 313860088), (76, 280822184), (136, 156930044), (152, 140411092), (272, 78465022), (304, 70205546), (323, 66075808), (544, 39232511), (608, 35102773), (646, 33037904), (1292, 16518952), (1427, 14956192), (1447, 14749472), (2584, 8259476), (2854, 7478096), (2894, 7374736), (5168, 4129738), (5708, 3739048), (5788, 3687368), (10336, 2064869), (11416, 1869524), (11576, 1843684), (22832, 934762), (23152, 921842), (24259, 879776), (24599, 867616), (27113, 787168), (27493, 776288), (45664, 467381), (46304, 460921), (48518, 439888), (49198, 433808), (54226, 393584), (54986, 388144), (97036, 219944), (98396, 216904), (108452, 196792), (109972, 194072)]