21720512

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{30853}}^1$

素因数の和:30876

約数の個数: 28

約数和(自身を含む): 47021496

約数和(自身を除く): 25300984

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 176, 352, 704, 30853, 61706, 123412, 246824, 339383, 493648, 678766, 987296, 1357532, 1974592, 2715064, 5430128, 10860256, 21720512]

約数ペア:

[(1, 21720512), (2, 10860256), (4, 5430128), (8, 2715064), (11, 1974592), (16, 1357532), (22, 987296), (32, 678766), (44, 493648), (64, 339383), (88, 246824), (176, 123412), (352, 61706), (704, 30853)]