21309498

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3191}}^1$

素因数の和:3259

約数の個数: 48

約数和(自身を含む): 53778816

約数和(自身を除く): 32469318

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 53, 63, 106, 126, 159, 318, 371, 477, 742, 954, 1113, 2226, 3191, 3339, 6382, 6678, 9573, 19146, 22337, 28719, 44674, 57438, 67011, 134022, 169123, 201033, 338246, 402066, 507369, 1014738, 1183861, 1522107, 2367722, 3044214, 3551583, 7103166, 10654749, 21309498]

約数ペア:

[(1, 21309498), (2, 10654749), (3, 7103166), (6, 3551583), (7, 3044214), (9, 2367722), (14, 1522107), (18, 1183861), (21, 1014738), (42, 507369), (53, 402066), (63, 338246), (106, 201033), (126, 169123), (159, 134022), (318, 67011), (371, 57438), (477, 44674), (742, 28719), (954, 22337), (1113, 19146), (2226, 9573), (3191, 6678), (3339, 6382)]