21675136

素因数分解:

$2^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1423}}^1$

素因数の和:1461

約数の個数: 64

約数和(自身を含む): 52289280

約数和(自身を除く): 30614144

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 272, 448, 476, 544, 896, 952, 1088, 1423, 1904, 2176, 2846, 3808, 5692, 7616, 9961, 11384, 15232, 19922, 22768, 24191, 39844, 45536, 48382, 79688, 91072, 96764, 159376, 169337, 182144, 193528, 318752, 338674, 387056, 637504, 677348, 774112, 1275008, 1354696, 1548224, 2709392, 3096448, 5418784, 10837568, 21675136]

約数ペア:

[(1, 21675136), (2, 10837568), (4, 5418784), (7, 3096448), (8, 2709392), (14, 1548224), (16, 1354696), (17, 1275008), (28, 774112), (32, 677348), (34, 637504), (56, 387056), (64, 338674), (68, 318752), (112, 193528), (119, 182144), (128, 169337), (136, 159376), (224, 96764), (238, 91072), (272, 79688), (448, 48382), (476, 45536), (544, 39844), (896, 24191), (952, 22768), (1088, 19922), (1423, 15232), (1904, 11384), (2176, 9961), (2846, 7616), (3808, 5692)]