21296904

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{827}}^1$

素因数の和:902

約数の個数: 64

約数和(自身を含む): 56635200

約数和(自身を除く): 35338296

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 37, 58, 74, 87, 111, 116, 148, 174, 222, 232, 296, 348, 444, 696, 827, 888, 1073, 1654, 2146, 2481, 3219, 3308, 4292, 4962, 6438, 6616, 8584, 9924, 12876, 19848, 23983, 25752, 30599, 47966, 61198, 71949, 91797, 95932, 122396, 143898, 183594, 191864, 244792, 287796, 367188, 575592, 734376, 887371, 1774742, 2662113, 3549484, 5324226, 7098968, 10648452, 21296904]

約数ペア:

[(1, 21296904), (2, 10648452), (3, 7098968), (4, 5324226), (6, 3549484), (8, 2662113), (12, 1774742), (24, 887371), (29, 734376), (37, 575592), (58, 367188), (74, 287796), (87, 244792), (111, 191864), (116, 183594), (148, 143898), (174, 122396), (222, 95932), (232, 91797), (296, 71949), (348, 61198), (444, 47966), (696, 30599), (827, 25752), (888, 23983), (1073, 19848), (1654, 12876), (2146, 9924), (2481, 8584), (3219, 6616), (3308, 6438), (4292, 4962)]