21891246

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{21589}}^1$

素因数の和:21620

約数の個数: 24

約数和(自身を含む): 47411640

約数和(自身を除く): 25520394

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 1014, 21589, 43178, 64767, 129534, 280657, 561314, 841971, 1683942, 3648541, 7297082, 10945623, 21891246]

約数ペア:

[(1, 21891246), (2, 10945623), (3, 7297082), (6, 3648541), (13, 1683942), (26, 841971), (39, 561314), (78, 280657), (169, 129534), (338, 64767), (507, 43178), (1014, 21589)]