21085356

素因数分解:

$2^2\times 3^1\times {\mathrm{389}}^1\times {\mathrm{4517}}^1$

素因数の和:4913

約数の個数: 24

約数和(自身を含む): 49336560

約数和(自身を除く): 28251204

約数列:

[1, 2, 3, 4, 6, 12, 389, 778, 1167, 1556, 2334, 4517, 4668, 9034, 13551, 18068, 27102, 54204, 1757113, 3514226, 5271339, 7028452, 10542678, 21085356]

約数ペア:

[(1, 21085356), (2, 10542678), (3, 7028452), (4, 5271339), (6, 3514226), (12, 1757113), (389, 54204), (778, 27102), (1167, 18068), (1556, 13551), (2334, 9034), (4517, 4668)]