21550818

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{53609}}^1$

素因数の和:53681

約数の個数: 16

約数和(自身を含む): 43745760

約数和(自身を除く): 22194942

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 53609, 107218, 160827, 321654, 3591803, 7183606, 10775409, 21550818]

約数ペア:

[(1, 21550818), (2, 10775409), (3, 7183606), (6, 3591803), (67, 321654), (134, 160827), (201, 107218), (402, 53609)]