21072512

素因数分解:

$2^7\times {\mathrm{193}}^1\times {\mathrm{853}}^1$

素因数の和:1060

約数の個数: 32

約数和(自身を含む): 42247380

約数和(自身を除く): 21174868

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 193, 386, 772, 853, 1544, 1706, 3088, 3412, 6176, 6824, 12352, 13648, 24704, 27296, 54592, 109184, 164629, 329258, 658516, 1317032, 2634064, 5268128, 10536256, 21072512]

約数ペア:

[(1, 21072512), (2, 10536256), (4, 5268128), (8, 2634064), (16, 1317032), (32, 658516), (64, 329258), (128, 164629), (193, 109184), (386, 54592), (772, 27296), (853, 24704), (1544, 13648), (1706, 12352), (3088, 6824), (3412, 6176)]