21106848

素因数分解:

$2^5\times 3^1\times 7^3\times {\mathrm{641}}^1$

素因数の和:675

約数の個数: 96

約数和(自身を含む): 64713600

約数和(自身を除く): 43606752

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 294, 336, 343, 392, 588, 641, 672, 686, 784, 1029, 1176, 1282, 1372, 1568, 1923, 2058, 2352, 2564, 2744, 3846, 4116, 4487, 4704, 5128, 5488, 7692, 8232, 8974, 10256, 10976, 13461, 15384, 16464, 17948, 20512, 26922, 30768, 31409, 32928, 35896, 53844, 61536, 62818, 71792, 94227, 107688, 125636, 143584, 188454, 215376, 219863, 251272, 376908, 430752, 439726, 502544, 659589, 753816, 879452, 1005088, 1319178, 1507632, 1758904, 2638356, 3015264, 3517808, 5276712, 7035616, 10553424, 21106848]

約数ペア:

[(1, 21106848), (2, 10553424), (3, 7035616), (4, 5276712), (6, 3517808), (7, 3015264), (8, 2638356), (12, 1758904), (14, 1507632), (16, 1319178), (21, 1005088), (24, 879452), (28, 753816), (32, 659589), (42, 502544), (48, 439726), (49, 430752), (56, 376908), (84, 251272), (96, 219863), (98, 215376), (112, 188454), (147, 143584), (168, 125636), (196, 107688), (224, 94227), (294, 71792), (336, 62818), (343, 61536), (392, 53844), (588, 35896), (641, 32928), (672, 31409), (686, 30768), (784, 26922), (1029, 20512), (1176, 17948), (1282, 16464), (1372, 15384), (1568, 13461), (1923, 10976), (2058, 10256), (2352, 8974), (2564, 8232), (2744, 7692), (3846, 5488), (4116, 5128), (4487, 4704)]