21093632

素因数分解:

$2^8\times 7^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 49056000

約数和(自身を除く): 27962368

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 79, 112, 128, 149, 158, 224, 256, 298, 316, 448, 553, 596, 632, 896, 1043, 1106, 1192, 1264, 1792, 2086, 2212, 2384, 2528, 4172, 4424, 4768, 5056, 8344, 8848, 9536, 10112, 11771, 16688, 17696, 19072, 20224, 23542, 33376, 35392, 38144, 47084, 66752, 70784, 82397, 94168, 133504, 141568, 164794, 188336, 267008, 329588, 376672, 659176, 753344, 1318352, 1506688, 2636704, 3013376, 5273408, 10546816, 21093632]

約数ペア:

[(1, 21093632), (2, 10546816), (4, 5273408), (7, 3013376), (8, 2636704), (14, 1506688), (16, 1318352), (28, 753344), (32, 659176), (56, 376672), (64, 329588), (79, 267008), (112, 188336), (128, 164794), (149, 141568), (158, 133504), (224, 94168), (256, 82397), (298, 70784), (316, 66752), (448, 47084), (553, 38144), (596, 35392), (632, 33376), (896, 23542), (1043, 20224), (1106, 19072), (1192, 17696), (1264, 16688), (1792, 11771), (2086, 10112), (2212, 9536), (2384, 8848), (2528, 8344), (4172, 5056), (4424, 4768)]