21003852

素因数分解:

$2^2\times 3^1\times {\mathrm{73}}^1\times {\mathrm{23977}}^1$

素因数の和:24057

約数の個数: 24

約数和(自身を含む): 49682416

約数和(自身を除く): 28678564

約数列:

[1, 2, 3, 4, 6, 12, 73, 146, 219, 292, 438, 876, 23977, 47954, 71931, 95908, 143862, 287724, 1750321, 3500642, 5250963, 7001284, 10501926, 21003852]

約数ペア:

[(1, 21003852), (2, 10501926), (3, 7001284), (4, 5250963), (6, 3500642), (12, 1750321), (73, 287724), (146, 143862), (219, 95908), (292, 71931), (438, 47954), (876, 23977)]