21245376

素因数分解:

$2^6\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1$

素因数の和:338

約数の個数: 112

約数和(自身を含む): 62325504

約数和(自身を除く): 41080128

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 23, 24, 32, 34, 46, 48, 51, 64, 68, 69, 92, 96, 102, 136, 138, 184, 192, 204, 272, 276, 283, 368, 391, 408, 544, 552, 566, 736, 782, 816, 849, 1088, 1104, 1132, 1173, 1472, 1564, 1632, 1698, 2208, 2264, 2346, 3128, 3264, 3396, 4416, 4528, 4692, 4811, 6256, 6509, 6792, 9056, 9384, 9622, 12512, 13018, 13584, 14433, 18112, 18768, 19244, 19527, 25024, 26036, 27168, 28866, 37536, 38488, 39054, 52072, 54336, 57732, 75072, 76976, 78108, 104144, 110653, 115464, 153952, 156216, 208288, 221306, 230928, 307904, 312432, 331959, 416576, 442612, 461856, 624864, 663918, 885224, 923712, 1249728, 1327836, 1770448, 2655672, 3540896, 5311344, 7081792, 10622688, 21245376]

約数ペア:

[(1, 21245376), (2, 10622688), (3, 7081792), (4, 5311344), (6, 3540896), (8, 2655672), (12, 1770448), (16, 1327836), (17, 1249728), (23, 923712), (24, 885224), (32, 663918), (34, 624864), (46, 461856), (48, 442612), (51, 416576), (64, 331959), (68, 312432), (69, 307904), (92, 230928), (96, 221306), (102, 208288), (136, 156216), (138, 153952), (184, 115464), (192, 110653), (204, 104144), (272, 78108), (276, 76976), (283, 75072), (368, 57732), (391, 54336), (408, 52072), (544, 39054), (552, 38488), (566, 37536), (736, 28866), (782, 27168), (816, 26036), (849, 25024), (1088, 19527), (1104, 19244), (1132, 18768), (1173, 18112), (1472, 14433), (1564, 13584), (1632, 13018), (1698, 12512), (2208, 9622), (2264, 9384), (2346, 9056), (3128, 6792), (3264, 6509), (3396, 6256), (4416, 4811), (4528, 4692)]