21637504

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:112

約数の個数: 128

約数和(自身を含む): 54835200

約数和(自身を除く): 33197696

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 32, 38, 41, 56, 62, 64, 76, 82, 112, 124, 128, 133, 152, 164, 217, 224, 248, 266, 287, 304, 328, 434, 448, 496, 532, 574, 589, 608, 656, 779, 868, 896, 992, 1064, 1148, 1178, 1216, 1271, 1312, 1558, 1736, 1984, 2128, 2296, 2356, 2432, 2542, 2624, 3116, 3472, 3968, 4123, 4256, 4592, 4712, 5084, 5248, 5453, 6232, 6944, 8246, 8512, 8897, 9184, 9424, 10168, 10906, 12464, 13888, 16492, 17024, 17794, 18368, 18848, 20336, 21812, 24149, 24928, 27776, 32984, 35588, 36736, 37696, 40672, 43624, 48298, 49856, 65968, 71176, 75392, 81344, 87248, 96596, 99712, 131936, 142352, 162688, 169043, 174496, 193192, 263872, 284704, 338086, 348992, 386384, 527744, 569408, 676172, 697984, 772768, 1138816, 1352344, 1545536, 2704688, 3091072, 5409376, 10818752, 21637504]

約数ペア:

[(1, 21637504), (2, 10818752), (4, 5409376), (7, 3091072), (8, 2704688), (14, 1545536), (16, 1352344), (19, 1138816), (28, 772768), (31, 697984), (32, 676172), (38, 569408), (41, 527744), (56, 386384), (62, 348992), (64, 338086), (76, 284704), (82, 263872), (112, 193192), (124, 174496), (128, 169043), (133, 162688), (152, 142352), (164, 131936), (217, 99712), (224, 96596), (248, 87248), (266, 81344), (287, 75392), (304, 71176), (328, 65968), (434, 49856), (448, 48298), (496, 43624), (532, 40672), (574, 37696), (589, 36736), (608, 35588), (656, 32984), (779, 27776), (868, 24928), (896, 24149), (992, 21812), (1064, 20336), (1148, 18848), (1178, 18368), (1216, 17794), (1271, 17024), (1312, 16492), (1558, 13888), (1736, 12464), (1984, 10906), (2128, 10168), (2296, 9424), (2356, 9184), (2432, 8897), (2542, 8512), (2624, 8246), (3116, 6944), (3472, 6232), (3968, 5453), (4123, 5248), (4256, 5084), (4592, 4712)]