21788288

素因数分解:

$2^7\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:98

約数の個数: 96

約数和(自身を含む): 50102400

約数和(自身を除く): 28314112

約数列:

[1, 2, 4, 8, 16, 17, 19, 31, 32, 34, 38, 62, 64, 68, 76, 124, 128, 136, 152, 248, 272, 289, 304, 323, 496, 527, 544, 578, 589, 608, 646, 992, 1054, 1088, 1156, 1178, 1216, 1292, 1984, 2108, 2176, 2312, 2356, 2432, 2584, 3968, 4216, 4624, 4712, 5168, 5491, 8432, 8959, 9248, 9424, 10013, 10336, 10982, 16864, 17918, 18496, 18848, 20026, 20672, 21964, 33728, 35836, 36992, 37696, 40052, 41344, 43928, 67456, 71672, 75392, 80104, 87856, 143344, 160208, 170221, 175712, 286688, 320416, 340442, 351424, 573376, 640832, 680884, 702848, 1146752, 1281664, 1361768, 2723536, 5447072, 10894144, 21788288]

約数ペア:

[(1, 21788288), (2, 10894144), (4, 5447072), (8, 2723536), (16, 1361768), (17, 1281664), (19, 1146752), (31, 702848), (32, 680884), (34, 640832), (38, 573376), (62, 351424), (64, 340442), (68, 320416), (76, 286688), (124, 175712), (128, 170221), (136, 160208), (152, 143344), (248, 87856), (272, 80104), (289, 75392), (304, 71672), (323, 67456), (496, 43928), (527, 41344), (544, 40052), (578, 37696), (589, 36992), (608, 35836), (646, 33728), (992, 21964), (1054, 20672), (1088, 20026), (1156, 18848), (1178, 18496), (1216, 17918), (1292, 16864), (1984, 10982), (2108, 10336), (2176, 10013), (2312, 9424), (2356, 9248), (2432, 8959), (2584, 8432), (3968, 5491), (4216, 5168), (4624, 4712)]