21571944

素因数分解:

$2^3\times 3^1\times {\mathrm{251}}^1\times {\mathrm{3581}}^1$

素因数の和:3841

約数の個数: 32

約数和(自身を含む): 54159840

約数和(自身を除く): 32587896

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 251, 502, 753, 1004, 1506, 2008, 3012, 3581, 6024, 7162, 10743, 14324, 21486, 28648, 42972, 85944, 898831, 1797662, 2696493, 3595324, 5392986, 7190648, 10785972, 21571944]

約数ペア:

[(1, 21571944), (2, 10785972), (3, 7190648), (4, 5392986), (6, 3595324), (8, 2696493), (12, 1797662), (24, 898831), (251, 85944), (502, 42972), (753, 28648), (1004, 21486), (1506, 14324), (2008, 10743), (3012, 7162), (3581, 6024)]