21564528

素因数分解:

$2^4\times 3^1\times {\mathrm{449261}}^1$

素因数の和:449272

約数の個数: 20

約数和(自身を含む): 55708488

約数和(自身を除く): 34143960

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 449261, 898522, 1347783, 1797044, 2695566, 3594088, 5391132, 7188176, 10782264, 21564528]

約数ペア:

[(1, 21564528), (2, 10782264), (3, 7188176), (4, 5391132), (6, 3594088), (8, 2695566), (12, 1797044), (16, 1347783), (24, 898522), (48, 449261)]