21947328

素因数分解:

$2^6\times 3^3\times {\mathrm{13}}^1\times {\mathrm{977}}^1$

素因数の和:1011

約数の個数: 112

約数和(自身を含む): 69555360

約数和(自身を除く): 47608032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 96, 104, 108, 117, 144, 156, 192, 208, 216, 234, 288, 312, 351, 416, 432, 468, 576, 624, 702, 832, 864, 936, 977, 1248, 1404, 1728, 1872, 1954, 2496, 2808, 2931, 3744, 3908, 5616, 5862, 7488, 7816, 8793, 11232, 11724, 12701, 15632, 17586, 22464, 23448, 25402, 26379, 31264, 35172, 38103, 46896, 50804, 52758, 62528, 70344, 76206, 93792, 101608, 105516, 114309, 140688, 152412, 187584, 203216, 211032, 228618, 281376, 304824, 342927, 406432, 422064, 457236, 562752, 609648, 685854, 812864, 844128, 914472, 1219296, 1371708, 1688256, 1828944, 2438592, 2743416, 3657888, 5486832, 7315776, 10973664, 21947328]

約数ペア:

[(1, 21947328), (2, 10973664), (3, 7315776), (4, 5486832), (6, 3657888), (8, 2743416), (9, 2438592), (12, 1828944), (13, 1688256), (16, 1371708), (18, 1219296), (24, 914472), (26, 844128), (27, 812864), (32, 685854), (36, 609648), (39, 562752), (48, 457236), (52, 422064), (54, 406432), (64, 342927), (72, 304824), (78, 281376), (96, 228618), (104, 211032), (108, 203216), (117, 187584), (144, 152412), (156, 140688), (192, 114309), (208, 105516), (216, 101608), (234, 93792), (288, 76206), (312, 70344), (351, 62528), (416, 52758), (432, 50804), (468, 46896), (576, 38103), (624, 35172), (702, 31264), (832, 26379), (864, 25402), (936, 23448), (977, 22464), (1248, 17586), (1404, 15632), (1728, 12701), (1872, 11724), (1954, 11232), (2496, 8793), (2808, 7816), (2931, 7488), (3744, 5862), (3908, 5616)]