21161028

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{251917}}^1$

素因数の和:251931

約数の個数: 24

約数和(自身を含む): 56429632

約数和(自身を除く): 35268604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 251917, 503834, 755751, 1007668, 1511502, 1763419, 3023004, 3526838, 5290257, 7053676, 10580514, 21161028]

約数ペア:

[(1, 21161028), (2, 10580514), (3, 7053676), (4, 5290257), (6, 3526838), (7, 3023004), (12, 1763419), (14, 1511502), (21, 1007668), (28, 755751), (42, 503834), (84, 251917)]