21956928

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2$

素因数の和:101

約数の個数: 168

約数和(自身を含む): 72639936

約数和(自身を除く): 50683008

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 31, 32, 34, 42, 48, 51, 56, 62, 64, 68, 84, 93, 96, 102, 112, 119, 124, 136, 168, 186, 192, 204, 217, 224, 238, 248, 272, 336, 357, 372, 408, 434, 448, 476, 496, 527, 544, 651, 672, 714, 744, 816, 868, 952, 961, 992, 1054, 1088, 1302, 1344, 1428, 1488, 1581, 1632, 1736, 1904, 1922, 1984, 2108, 2604, 2856, 2883, 2976, 3162, 3264, 3472, 3689, 3808, 3844, 4216, 5208, 5712, 5766, 5952, 6324, 6727, 6944, 7378, 7616, 7688, 8432, 10416, 11067, 11424, 11532, 12648, 13454, 13888, 14756, 15376, 16337, 16864, 20181, 20832, 22134, 22848, 23064, 25296, 26908, 29512, 30752, 32674, 33728, 40362, 41664, 44268, 46128, 49011, 50592, 53816, 59024, 61504, 65348, 80724, 88536, 92256, 98022, 101184, 107632, 114359, 118048, 130696, 161448, 177072, 184512, 196044, 215264, 228718, 236096, 261392, 322896, 343077, 354144, 392088, 430528, 457436, 522784, 645792, 686154, 708288, 784176, 914872, 1045568, 1291584, 1372308, 1568352, 1829744, 2744616, 3136704, 3659488, 5489232, 7318976, 10978464, 21956928]

約数ペア:

[(1, 21956928), (2, 10978464), (3, 7318976), (4, 5489232), (6, 3659488), (7, 3136704), (8, 2744616), (12, 1829744), (14, 1568352), (16, 1372308), (17, 1291584), (21, 1045568), (24, 914872), (28, 784176), (31, 708288), (32, 686154), (34, 645792), (42, 522784), (48, 457436), (51, 430528), (56, 392088), (62, 354144), (64, 343077), (68, 322896), (84, 261392), (93, 236096), (96, 228718), (102, 215264), (112, 196044), (119, 184512), (124, 177072), (136, 161448), (168, 130696), (186, 118048), (192, 114359), (204, 107632), (217, 101184), (224, 98022), (238, 92256), (248, 88536), (272, 80724), (336, 65348), (357, 61504), (372, 59024), (408, 53816), (434, 50592), (448, 49011), (476, 46128), (496, 44268), (527, 41664), (544, 40362), (651, 33728), (672, 32674), (714, 30752), (744, 29512), (816, 26908), (868, 25296), (952, 23064), (961, 22848), (992, 22134), (1054, 20832), (1088, 20181), (1302, 16864), (1344, 16337), (1428, 15376), (1488, 14756), (1581, 13888), (1632, 13454), (1736, 12648), (1904, 11532), (1922, 11424), (1984, 11067), (2108, 10416), (2604, 8432), (2856, 7688), (2883, 7616), (2976, 7378), (3162, 6944), (3264, 6727), (3472, 6324), (3689, 5952), (3808, 5766), (3844, 5712), (4216, 5208)]