21781259184

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{1601}}^1$

素因数の和:1907

約数の個数: 160

約数和(自身を含む): 59804172288

約数和(自身を除く): 38022913104

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 41, 48, 62, 82, 93, 123, 124, 164, 186, 223, 246, 248, 328, 372, 446, 492, 496, 656, 669, 744, 892, 984, 1271, 1338, 1488, 1601, 1784, 1968, 2542, 2676, 3202, 3568, 3813, 4803, 5084, 5352, 6404, 6913, 7626, 9143, 9606, 10168, 10704, 12808, 13826, 15252, 18286, 19212, 20336, 20739, 25616, 27429, 27652, 30504, 36572, 38424, 41478, 49631, 54858, 55304, 61008, 65641, 73144, 76848, 82956, 99262, 109716, 110608, 131282, 146288, 148893, 165912, 196923, 198524, 219432, 262564, 283433, 297786, 331824, 357023, 393846, 397048, 438864, 525128, 566866, 595572, 714046, 787692, 794096, 850299, 1050256, 1071069, 1133732, 1191144, 1428092, 1575384, 1700598, 2034871, 2142138, 2267464, 2382288, 2856184, 3150768, 3401196, 4069742, 4284276, 4534928, 5712368, 6104613, 6802392, 8139484, 8568552, 11067713, 12209226, 13604784, 14637943, 16278968, 17137104, 22135426, 24418452, 29275886, 32557936, 33203139, 43913829, 44270852, 48836904, 58551772, 66406278, 87827658, 88541704, 97673808, 117103544, 132812556, 175655316, 177083408, 234207088, 265625112, 351310632, 453776233, 531250224, 702621264, 907552466, 1361328699, 1815104932, 2722657398, 3630209864, 5445314796, 7260419728, 10890629592, 21781259184]

約数ペア:

[(1, 21781259184), (2, 10890629592), (3, 7260419728), (4, 5445314796), (6, 3630209864), (8, 2722657398), (12, 1815104932), (16, 1361328699), (24, 907552466), (31, 702621264), (41, 531250224), (48, 453776233), (62, 351310632), (82, 265625112), (93, 234207088), (123, 177083408), (124, 175655316), (164, 132812556), (186, 117103544), (223, 97673808), (246, 88541704), (248, 87827658), (328, 66406278), (372, 58551772), (446, 48836904), (492, 44270852), (496, 43913829), (656, 33203139), (669, 32557936), (744, 29275886), (892, 24418452), (984, 22135426), (1271, 17137104), (1338, 16278968), (1488, 14637943), (1601, 13604784), (1784, 12209226), (1968, 11067713), (2542, 8568552), (2676, 8139484), (3202, 6802392), (3568, 6104613), (3813, 5712368), (4803, 4534928), (5084, 4284276), (5352, 4069742), (6404, 3401196), (6913, 3150768), (7626, 2856184), (9143, 2382288), (9606, 2267464), (10168, 2142138), (10704, 2034871), (12808, 1700598), (13826, 1575384), (15252, 1428092), (18286, 1191144), (19212, 1133732), (20336, 1071069), (20739, 1050256), (25616, 850299), (27429, 794096), (27652, 787692), (30504, 714046), (36572, 595572), (38424, 566866), (41478, 525128), (49631, 438864), (54858, 397048), (55304, 393846), (61008, 357023), (65641, 331824), (73144, 297786), (76848, 283433), (82956, 262564), (99262, 219432), (109716, 198524), (110608, 196923), (131282, 165912), (146288, 148893)]