16921860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2029}}^1$

素因数の和:2180

約数の個数: 48

約数和(自身を含む): 47745600

約数和(自身を除く): 30823740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2029, 2085, 2780, 4058, 4170, 6087, 8116, 8340, 10145, 12174, 20290, 24348, 30435, 40580, 60870, 121740, 282031, 564062, 846093, 1128124, 1410155, 1692186, 2820310, 3384372, 4230465, 5640620, 8460930, 16921860]

約数ペア:

[(1, 16921860), (2, 8460930), (3, 5640620), (4, 4230465), (5, 3384372), (6, 2820310), (10, 1692186), (12, 1410155), (15, 1128124), (20, 846093), (30, 564062), (60, 282031), (139, 121740), (278, 60870), (417, 40580), (556, 30435), (695, 24348), (834, 20290), (1390, 12174), (1668, 10145), (2029, 8340), (2085, 8116), (2780, 6087), (4058, 4170)]