21484736

素因数分解:

$2^6\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:87

約数の個数: 168

約数和(自身を含む): 58375296

約数和(自身を除く): 36890560

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 31, 32, 34, 49, 52, 56, 62, 64, 68, 91, 98, 104, 112, 119, 124, 136, 182, 196, 208, 217, 221, 224, 238, 248, 272, 364, 392, 403, 416, 434, 442, 448, 476, 496, 527, 544, 637, 728, 784, 806, 832, 833, 868, 884, 952, 992, 1054, 1088, 1274, 1456, 1519, 1547, 1568, 1612, 1666, 1736, 1768, 1904, 1984, 2108, 2548, 2821, 2912, 3038, 3094, 3136, 3224, 3332, 3472, 3536, 3689, 3808, 4216, 5096, 5642, 5824, 6076, 6188, 6448, 6664, 6851, 6944, 7072, 7378, 7616, 8432, 10192, 10829, 11284, 12152, 12376, 12896, 13328, 13702, 13888, 14144, 14756, 16864, 19747, 20384, 21658, 22568, 24304, 24752, 25792, 25823, 26656, 27404, 29512, 33728, 39494, 40768, 43316, 45136, 47957, 48608, 49504, 51646, 53312, 54808, 59024, 78988, 86632, 90272, 95914, 97216, 99008, 103292, 109616, 118048, 157976, 173264, 180544, 191828, 206584, 219232, 236096, 315952, 335699, 346528, 383656, 413168, 438464, 631904, 671398, 693056, 767312, 826336, 1263808, 1342796, 1534624, 1652672, 2685592, 3069248, 5371184, 10742368, 21484736]

約数ペア:

[(1, 21484736), (2, 10742368), (4, 5371184), (7, 3069248), (8, 2685592), (13, 1652672), (14, 1534624), (16, 1342796), (17, 1263808), (26, 826336), (28, 767312), (31, 693056), (32, 671398), (34, 631904), (49, 438464), (52, 413168), (56, 383656), (62, 346528), (64, 335699), (68, 315952), (91, 236096), (98, 219232), (104, 206584), (112, 191828), (119, 180544), (124, 173264), (136, 157976), (182, 118048), (196, 109616), (208, 103292), (217, 99008), (221, 97216), (224, 95914), (238, 90272), (248, 86632), (272, 78988), (364, 59024), (392, 54808), (403, 53312), (416, 51646), (434, 49504), (442, 48608), (448, 47957), (476, 45136), (496, 43316), (527, 40768), (544, 39494), (637, 33728), (728, 29512), (784, 27404), (806, 26656), (832, 25823), (833, 25792), (868, 24752), (884, 24304), (952, 22568), (992, 21658), (1054, 20384), (1088, 19747), (1274, 16864), (1456, 14756), (1519, 14144), (1547, 13888), (1568, 13702), (1612, 13328), (1666, 12896), (1736, 12376), (1768, 12152), (1904, 11284), (1984, 10829), (2108, 10192), (2548, 8432), (2821, 7616), (2912, 7378), (3038, 7072), (3094, 6944), (3136, 6851), (3224, 6664), (3332, 6448), (3472, 6188), (3536, 6076), (3689, 5824), (3808, 5642), (4216, 5096)]