21918858

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1861}}^1$

素因数の和:2030

約数の個数: 32

約数和(自身を含む): 47548032

約数和(自身を除く): 25629174

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 151, 302, 453, 906, 1861, 1963, 3722, 3926, 5583, 5889, 11166, 11778, 24193, 48386, 72579, 145158, 281011, 562022, 843033, 1686066, 3653143, 7306286, 10959429, 21918858]

約数ペア:

[(1, 21918858), (2, 10959429), (3, 7306286), (6, 3653143), (13, 1686066), (26, 843033), (39, 562022), (78, 281011), (151, 145158), (302, 72579), (453, 48386), (906, 24193), (1861, 11778), (1963, 11166), (3722, 5889), (3926, 5583)]