21150752

素因数分解:

$2^5\times 7^3\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:119

約数の個数: 96

約数和(自身を含む): 50803200

約数和(自身を除く): 29652448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 47, 49, 56, 82, 94, 98, 112, 164, 188, 196, 224, 287, 328, 329, 343, 376, 392, 574, 656, 658, 686, 752, 784, 1148, 1312, 1316, 1372, 1504, 1568, 1927, 2009, 2296, 2303, 2632, 2744, 3854, 4018, 4592, 4606, 5264, 5488, 7708, 8036, 9184, 9212, 10528, 10976, 13489, 14063, 15416, 16072, 16121, 18424, 26978, 28126, 30832, 32144, 32242, 36848, 53956, 56252, 61664, 64288, 64484, 73696, 94423, 107912, 112504, 128968, 188846, 215824, 225008, 257936, 377692, 431648, 450016, 515872, 660961, 755384, 1321922, 1510768, 2643844, 3021536, 5287688, 10575376, 21150752]

約数ペア:

[(1, 21150752), (2, 10575376), (4, 5287688), (7, 3021536), (8, 2643844), (14, 1510768), (16, 1321922), (28, 755384), (32, 660961), (41, 515872), (47, 450016), (49, 431648), (56, 377692), (82, 257936), (94, 225008), (98, 215824), (112, 188846), (164, 128968), (188, 112504), (196, 107912), (224, 94423), (287, 73696), (328, 64484), (329, 64288), (343, 61664), (376, 56252), (392, 53956), (574, 36848), (656, 32242), (658, 32144), (686, 30832), (752, 28126), (784, 26978), (1148, 18424), (1312, 16121), (1316, 16072), (1372, 15416), (1504, 14063), (1568, 13489), (1927, 10976), (2009, 10528), (2296, 9212), (2303, 9184), (2632, 8036), (2744, 7708), (3854, 5488), (4018, 5264), (4592, 4606)]