21447528

素因数分解:

$2^3\times 3^1\times {\mathrm{397}}^1\times {\mathrm{2251}}^1$

素因数の和:2657

約数の個数: 32

約数和(自身を含む): 53777760

約数和(自身を除く): 32330232

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 397, 794, 1191, 1588, 2251, 2382, 3176, 4502, 4764, 6753, 9004, 9528, 13506, 18008, 27012, 54024, 893647, 1787294, 2680941, 3574588, 5361882, 7149176, 10723764, 21447528]

約数ペア:

[(1, 21447528), (2, 10723764), (3, 7149176), (4, 5361882), (6, 3574588), (8, 2680941), (12, 1787294), (24, 893647), (397, 54024), (794, 27012), (1191, 18008), (1588, 13506), (2251, 9528), (2382, 9004), (3176, 6753), (4502, 4764)]