21533463

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2459}}^1$

素因数の和:2611

約数の個数: 24

約数和(自身を含む): 35817600

約数和(自身を除く): 14284137

約数列:

[1, 3, 7, 9, 21, 63, 139, 417, 973, 1251, 2459, 2919, 7377, 8757, 17213, 22131, 51639, 154917, 341801, 1025403, 2392607, 3076209, 7177821, 21533463]

約数ペア:

[(1, 21533463), (3, 7177821), (7, 3076209), (9, 2392607), (21, 1025403), (63, 341801), (139, 154917), (417, 51639), (973, 22131), (1251, 17213), (2459, 8757), (2919, 7377)]