21000547652

素因数分解:

$2^2\times 7^1\times {\mathrm{1619}}^1\times {\mathrm{463261}}^1$

素因数の和:464891

約数の個数: 24

約数和(自身を含む): 42027128640

約数和(自身を除く): 21026580988

約数列:

[1, 2, 4, 7, 14, 28, 1619, 3238, 6476, 11333, 22666, 45332, 463261, 926522, 1853044, 3242827, 6485654, 12971308, 750019559, 1500039118, 3000078236, 5250136913, 10500273826, 21000547652]

約数ペア:

[(1, 21000547652), (2, 10500273826), (4, 5250136913), (7, 3000078236), (14, 1500039118), (28, 750019559), (1619, 12971308), (3238, 6485654), (6476, 3242827), (11333, 1853044), (22666, 926522), (45332, 463261)]