21974528

素因数分解:

$2^9\times {\mathrm{167}}^1\times {\mathrm{257}}^1$

素因数の和:442

約数の個数: 40

約数和(自身を含む): 44340912

約数和(自身を除く): 22366384

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 167, 256, 257, 334, 512, 514, 668, 1028, 1336, 2056, 2672, 4112, 5344, 8224, 10688, 16448, 21376, 32896, 42752, 42919, 65792, 85504, 85838, 131584, 171676, 343352, 686704, 1373408, 2746816, 5493632, 10987264, 21974528]

約数ペア:

[(1, 21974528), (2, 10987264), (4, 5493632), (8, 2746816), (16, 1373408), (32, 686704), (64, 343352), (128, 171676), (167, 131584), (256, 85838), (257, 85504), (334, 65792), (512, 42919), (514, 42752), (668, 32896), (1028, 21376), (1336, 16448), (2056, 10688), (2672, 8224), (4112, 5344)]