21148998

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{20857}}^1$

素因数の和:20888

約数の個数: 24

約数和(自身を含む): 45804168

約数和(自身を除く): 24655170

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 1014, 20857, 41714, 62571, 125142, 271141, 542282, 813423, 1626846, 3524833, 7049666, 10574499, 21148998]

約数ペア:

[(1, 21148998), (2, 10574499), (3, 7049666), (6, 3524833), (13, 1626846), (26, 813423), (39, 542282), (78, 271141), (169, 125142), (338, 62571), (507, 41714), (1014, 20857)]