21218424

素因数分解:

$2^3\times 3^1\times {\mathrm{331}}^1\times {\mathrm{2671}}^1$

素因数の和:3011

約数の個数: 32

約数和(自身を含む): 53226240

約数和(自身を除く): 32007816

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 331, 662, 993, 1324, 1986, 2648, 2671, 3972, 5342, 7944, 8013, 10684, 16026, 21368, 32052, 64104, 884101, 1768202, 2652303, 3536404, 5304606, 7072808, 10609212, 21218424]

約数ペア:

[(1, 21218424), (2, 10609212), (3, 7072808), (4, 5304606), (6, 3536404), (8, 2652303), (12, 1768202), (24, 884101), (331, 64104), (662, 32052), (993, 21368), (1324, 16026), (1986, 10684), (2648, 8013), (2671, 7944), (3972, 5342)]