21167154128

素因数分解:

$2^4\times {\mathrm{439}}^1\times {\mathrm{1559}}^1\times {\mathrm{1933}}^1$

素因数の和:3939

約数の個数: 40

約数和(自身を含む): 41152425600

約数和(自身を除く): 19985271472

約数列:

[1, 2, 4, 8, 16, 439, 878, 1559, 1756, 1933, 3118, 3512, 3866, 6236, 7024, 7732, 12472, 15464, 24944, 30928, 684401, 848587, 1368802, 1697174, 2737604, 3013547, 3394348, 5475208, 6027094, 6788696, 10950416, 12054188, 13577392, 24108376, 48216752, 1322947133, 2645894266, 5291788532, 10583577064, 21167154128]

約数ペア:

[(1, 21167154128), (2, 10583577064), (4, 5291788532), (8, 2645894266), (16, 1322947133), (439, 48216752), (878, 24108376), (1559, 13577392), (1756, 12054188), (1933, 10950416), (3118, 6788696), (3512, 6027094), (3866, 5475208), (6236, 3394348), (7024, 3013547), (7732, 2737604), (12472, 1697174), (15464, 1368802), (24944, 848587), (30928, 684401)]