21419024

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{929}}^1$

素因数の和:1079

約数の個数: 40

約数和(自身を含む): 45666720

約数和(自身を除く): 24247696

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 131, 176, 262, 524, 929, 1048, 1441, 1858, 2096, 2882, 3716, 5764, 7432, 10219, 11528, 14864, 20438, 23056, 40876, 81752, 121699, 163504, 243398, 486796, 973592, 1338689, 1947184, 2677378, 5354756, 10709512, 21419024]

約数ペア:

[(1, 21419024), (2, 10709512), (4, 5354756), (8, 2677378), (11, 1947184), (16, 1338689), (22, 973592), (44, 486796), (88, 243398), (131, 163504), (176, 121699), (262, 81752), (524, 40876), (929, 23056), (1048, 20438), (1441, 14864), (1858, 11528), (2096, 10219), (2882, 7432), (3716, 5764)]