21084456

素因数分解:

$2^3\times 3^1\times {\mathrm{89}}^1\times {\mathrm{9871}}^1$

素因数の和:9969

約数の個数: 32

約数和(自身を含む): 53308800

約数和(自身を除く): 32224344

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 89, 178, 267, 356, 534, 712, 1068, 2136, 9871, 19742, 29613, 39484, 59226, 78968, 118452, 236904, 878519, 1757038, 2635557, 3514076, 5271114, 7028152, 10542228, 21084456]

約数ペア:

[(1, 21084456), (2, 10542228), (3, 7028152), (4, 5271114), (6, 3514076), (8, 2635557), (12, 1757038), (24, 878519), (89, 236904), (178, 118452), (267, 78968), (356, 59226), (534, 39484), (712, 29613), (1068, 19742), (2136, 9871)]