21241792

素因数分解:

$2^6\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:258

約数の個数: 84

約数和(自身を含む): 50132488

約数和(自身を除く): 28890696

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 121, 143, 176, 208, 211, 242, 286, 352, 416, 422, 484, 572, 704, 832, 844, 968, 1144, 1573, 1688, 1936, 2288, 2321, 2743, 3146, 3376, 3872, 4576, 4642, 5486, 6292, 6752, 7744, 9152, 9284, 10972, 12584, 13504, 18568, 21944, 25168, 25531, 30173, 37136, 43888, 50336, 51062, 60346, 74272, 87776, 100672, 102124, 120692, 148544, 175552, 204248, 241384, 331903, 408496, 482768, 663806, 816992, 965536, 1327612, 1633984, 1931072, 2655224, 5310448, 10620896, 21241792]

約数ペア:

[(1, 21241792), (2, 10620896), (4, 5310448), (8, 2655224), (11, 1931072), (13, 1633984), (16, 1327612), (22, 965536), (26, 816992), (32, 663806), (44, 482768), (52, 408496), (64, 331903), (88, 241384), (104, 204248), (121, 175552), (143, 148544), (176, 120692), (208, 102124), (211, 100672), (242, 87776), (286, 74272), (352, 60346), (416, 51062), (422, 50336), (484, 43888), (572, 37136), (704, 30173), (832, 25531), (844, 25168), (968, 21944), (1144, 18568), (1573, 13504), (1688, 12584), (1936, 10972), (2288, 9284), (2321, 9152), (2743, 7744), (3146, 6752), (3376, 6292), (3872, 5486), (4576, 4642)]