21435834

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{72911}}^1$

素因数の和:72930

約数の個数: 24

約数和(自身を含む): 49871808

約数和(自身を除く): 28435974

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 72911, 145822, 218733, 437466, 510377, 1020754, 1531131, 3062262, 3572639, 7145278, 10717917, 21435834]

約数ペア:

[(1, 21435834), (2, 10717917), (3, 7145278), (6, 3572639), (7, 3062262), (14, 1531131), (21, 1020754), (42, 510377), (49, 437466), (98, 218733), (147, 145822), (294, 72911)]