21214648

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 52284960

約数和(自身を除く): 31070312

約数列:

[1, 2, 4, 7, 8, 13, 14, 23, 26, 28, 46, 49, 52, 56, 91, 92, 98, 104, 161, 181, 182, 184, 196, 299, 322, 362, 364, 392, 598, 637, 644, 724, 728, 1127, 1196, 1267, 1274, 1288, 1448, 2093, 2254, 2353, 2392, 2534, 2548, 4163, 4186, 4508, 4706, 5068, 5096, 8326, 8372, 8869, 9016, 9412, 10136, 14651, 16471, 16652, 16744, 17738, 18824, 29141, 29302, 32942, 33304, 35476, 54119, 58282, 58604, 65884, 70952, 108238, 115297, 116564, 117208, 131768, 203987, 216476, 230594, 233128, 378833, 407974, 432952, 461188, 757666, 815948, 922376, 1515332, 1631896, 2651831, 3030664, 5303662, 10607324, 21214648]

約数ペア:

[(1, 21214648), (2, 10607324), (4, 5303662), (7, 3030664), (8, 2651831), (13, 1631896), (14, 1515332), (23, 922376), (26, 815948), (28, 757666), (46, 461188), (49, 432952), (52, 407974), (56, 378833), (91, 233128), (92, 230594), (98, 216476), (104, 203987), (161, 131768), (181, 117208), (182, 116564), (184, 115297), (196, 108238), (299, 70952), (322, 65884), (362, 58604), (364, 58282), (392, 54119), (598, 35476), (637, 33304), (644, 32942), (724, 29302), (728, 29141), (1127, 18824), (1196, 17738), (1267, 16744), (1274, 16652), (1288, 16471), (1448, 14651), (2093, 10136), (2254, 9412), (2353, 9016), (2392, 8869), (2534, 8372), (2548, 8326), (4163, 5096), (4186, 5068), (4508, 4706)]