1890990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{21011}}^1$

素因数の和:21024

約数の個数: 24

約数和(自身を含む): 4916808

約数和(自身を除く): 3025818

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 21011, 42022, 63033, 105055, 126066, 189099, 210110, 315165, 378198, 630330, 945495, 1890990]

約数ペア:

[(1, 1890990), (2, 945495), (3, 630330), (5, 378198), (6, 315165), (9, 210110), (10, 189099), (15, 126066), (18, 105055), (30, 63033), (45, 42022), (90, 21011)]