21280968

素因数分解:

$2^3\times 3^6\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:154

約数の個数: 112

約数和(自身を含む): 61973100

約数和(自身を除く): 40692132

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 41, 54, 72, 81, 82, 89, 108, 123, 162, 164, 178, 216, 243, 246, 267, 324, 328, 356, 369, 486, 492, 534, 648, 712, 729, 738, 801, 972, 984, 1068, 1107, 1458, 1476, 1602, 1944, 2136, 2214, 2403, 2916, 2952, 3204, 3321, 3649, 4428, 4806, 5832, 6408, 6642, 7209, 7298, 8856, 9612, 9963, 10947, 13284, 14418, 14596, 19224, 19926, 21627, 21894, 26568, 28836, 29192, 29889, 32841, 39852, 43254, 43788, 57672, 59778, 64881, 65682, 79704, 86508, 87576, 98523, 119556, 129762, 131364, 173016, 197046, 239112, 259524, 262728, 295569, 394092, 519048, 591138, 788184, 886707, 1182276, 1773414, 2364552, 2660121, 3546828, 5320242, 7093656, 10640484, 21280968]

約数ペア:

[(1, 21280968), (2, 10640484), (3, 7093656), (4, 5320242), (6, 3546828), (8, 2660121), (9, 2364552), (12, 1773414), (18, 1182276), (24, 886707), (27, 788184), (36, 591138), (41, 519048), (54, 394092), (72, 295569), (81, 262728), (82, 259524), (89, 239112), (108, 197046), (123, 173016), (162, 131364), (164, 129762), (178, 119556), (216, 98523), (243, 87576), (246, 86508), (267, 79704), (324, 65682), (328, 64881), (356, 59778), (369, 57672), (486, 43788), (492, 43254), (534, 39852), (648, 32841), (712, 29889), (729, 29192), (738, 28836), (801, 26568), (972, 21894), (984, 21627), (1068, 19926), (1107, 19224), (1458, 14596), (1476, 14418), (1602, 13284), (1944, 10947), (2136, 9963), (2214, 9612), (2403, 8856), (2916, 7298), (2952, 7209), (3204, 6642), (3321, 6408), (3649, 5832), (4428, 4806)]