21288492

素因数分解:

$2^2\times 3^2\times {\mathrm{167}}^1\times {\mathrm{3541}}^1$

素因数の和:3718

約数の個数: 36

約数和(自身を含む): 54150096

約数和(自身を除く): 32861604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 167, 334, 501, 668, 1002, 1503, 2004, 3006, 3541, 6012, 7082, 10623, 14164, 21246, 31869, 42492, 63738, 127476, 591347, 1182694, 1774041, 2365388, 3548082, 5322123, 7096164, 10644246, 21288492]

約数ペア:

[(1, 21288492), (2, 10644246), (3, 7096164), (4, 5322123), (6, 3548082), (9, 2365388), (12, 1774041), (18, 1182694), (36, 591347), (167, 127476), (334, 63738), (501, 42492), (668, 31869), (1002, 21246), (1503, 14164), (2004, 10623), (3006, 7082), (3541, 6012)]