21010938

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{1613}}^1$

素因数の和:1798

約数の個数: 32

約数和(自身を含む): 45553536

約数和(自身を除く): 24542598

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 167, 334, 501, 1002, 1613, 2171, 3226, 4342, 4839, 6513, 9678, 13026, 20969, 41938, 62907, 125814, 269371, 538742, 808113, 1616226, 3501823, 7003646, 10505469, 21010938]

約数ペア:

[(1, 21010938), (2, 10505469), (3, 7003646), (6, 3501823), (13, 1616226), (26, 808113), (39, 538742), (78, 269371), (167, 125814), (334, 62907), (501, 41938), (1002, 20969), (1613, 13026), (2171, 9678), (3226, 6513), (4342, 4839)]