21901376

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:152

約数の個数: 112

約数和(自身を含む): 54620160

約数和(自身を除く): 32718784

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 32, 38, 56, 62, 64, 76, 83, 112, 124, 133, 152, 166, 217, 224, 248, 266, 304, 332, 434, 448, 496, 532, 581, 589, 608, 664, 868, 992, 1064, 1162, 1178, 1216, 1328, 1577, 1736, 1984, 2128, 2324, 2356, 2573, 2656, 3154, 3472, 4123, 4256, 4648, 4712, 5146, 5312, 6308, 6944, 8246, 8512, 9296, 9424, 10292, 11039, 12616, 13888, 16492, 18011, 18592, 18848, 20584, 22078, 25232, 32984, 36022, 37184, 37696, 41168, 44156, 48887, 50464, 65968, 72044, 82336, 88312, 97774, 100928, 131936, 144088, 164672, 176624, 195548, 263872, 288176, 342209, 353248, 391096, 576352, 684418, 706496, 782192, 1152704, 1368836, 1564384, 2737672, 3128768, 5475344, 10950688, 21901376]

約数ペア:

[(1, 21901376), (2, 10950688), (4, 5475344), (7, 3128768), (8, 2737672), (14, 1564384), (16, 1368836), (19, 1152704), (28, 782192), (31, 706496), (32, 684418), (38, 576352), (56, 391096), (62, 353248), (64, 342209), (76, 288176), (83, 263872), (112, 195548), (124, 176624), (133, 164672), (152, 144088), (166, 131936), (217, 100928), (224, 97774), (248, 88312), (266, 82336), (304, 72044), (332, 65968), (434, 50464), (448, 48887), (496, 44156), (532, 41168), (581, 37696), (589, 37184), (608, 36022), (664, 32984), (868, 25232), (992, 22078), (1064, 20584), (1162, 18848), (1178, 18592), (1216, 18011), (1328, 16492), (1577, 13888), (1736, 12616), (1984, 11039), (2128, 10292), (2324, 9424), (2356, 9296), (2573, 8512), (2656, 8246), (3154, 6944), (3472, 6308), (4123, 5312), (4256, 5146), (4648, 4712)]