21187896

素因数分解:

$2^3\times 3^1\times {\mathrm{439}}^1\times {\mathrm{2011}}^1$

素因数の和:2459

約数の個数: 32

約数和(自身を含む): 53116800

約数和(自身を除く): 31928904

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 439, 878, 1317, 1756, 2011, 2634, 3512, 4022, 5268, 6033, 8044, 10536, 12066, 16088, 24132, 48264, 882829, 1765658, 2648487, 3531316, 5296974, 7062632, 10593948, 21187896]

約数ペア:

[(1, 21187896), (2, 10593948), (3, 7062632), (4, 5296974), (6, 3531316), (8, 2648487), (12, 1765658), (24, 882829), (439, 48264), (878, 24132), (1317, 16088), (1756, 12066), (2011, 10536), (2634, 8044), (3512, 6033), (4022, 5268)]