21453568

素因数分解:

$2^8\times {\mathrm{181}}^1\times {\mathrm{463}}^1$

素因数の和:660

約数の個数: 36

約数和(自身を含む): 43152928

約数和(自身を除く): 21699360

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 181, 256, 362, 463, 724, 926, 1448, 1852, 2896, 3704, 5792, 7408, 11584, 14816, 23168, 29632, 46336, 59264, 83803, 118528, 167606, 335212, 670424, 1340848, 2681696, 5363392, 10726784, 21453568]

約数ペア:

[(1, 21453568), (2, 10726784), (4, 5363392), (8, 2681696), (16, 1340848), (32, 670424), (64, 335212), (128, 167606), (181, 118528), (256, 83803), (362, 59264), (463, 46336), (724, 29632), (926, 23168), (1448, 14816), (1852, 11584), (2896, 7408), (3704, 5792)]