21091518

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{167393}}^1$

素因数の和:167408

約数の個数: 24

約数和(自身を含む): 52226928

約数和(自身を除く): 31135410

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 167393, 334786, 502179, 1004358, 1171751, 1506537, 2343502, 3013074, 3515253, 7030506, 10545759, 21091518]

約数ペア:

[(1, 21091518), (2, 10545759), (3, 7030506), (6, 3515253), (7, 3013074), (9, 2343502), (14, 1506537), (18, 1171751), (21, 1004358), (42, 502179), (63, 334786), (126, 167393)]