21037568

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{2417}}^1$

素因数の和:2452

約数の個数: 40

約数和(自身を含む): 44525052

約数和(自身を除く): 23487484

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 1088, 2176, 2417, 4352, 4834, 8704, 9668, 19336, 38672, 41089, 77344, 82178, 154688, 164356, 309376, 328712, 618752, 657424, 1237504, 1314848, 2629696, 5259392, 10518784, 21037568]

約数ペア:

[(1, 21037568), (2, 10518784), (4, 5259392), (8, 2629696), (16, 1314848), (17, 1237504), (32, 657424), (34, 618752), (64, 328712), (68, 309376), (128, 164356), (136, 154688), (256, 82178), (272, 77344), (512, 41089), (544, 38672), (1088, 19336), (2176, 9668), (2417, 8704), (4352, 4834)]