21119028

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{251417}}^1$

素因数の和:251431

約数の個数: 24

約数和(自身を含む): 56317632

約数和(自身を除く): 35198604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 251417, 502834, 754251, 1005668, 1508502, 1759919, 3017004, 3519838, 5279757, 7039676, 10559514, 21119028]

約数ペア:

[(1, 21119028), (2, 10559514), (3, 7039676), (4, 5279757), (6, 3519838), (7, 3017004), (12, 1759919), (14, 1508502), (21, 1005668), (28, 754251), (42, 502834), (84, 251417)]