21122028

素因数分解:

$2^2\times 3^2\times {\mathrm{586723}}^1$

素因数の和:586733

約数の個数: 18

約数和(自身を含む): 53391884

約数和(自身を除く): 32269856

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 586723, 1173446, 1760169, 2346892, 3520338, 5280507, 7040676, 10561014, 21122028]

約数ペア:

[(1, 21122028), (2, 10561014), (3, 7040676), (4, 5280507), (6, 3520338), (9, 2346892), (12, 1760169), (18, 1173446), (36, 586723)]