21675810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55579}}^1$

素因数の和:55602

約数の個数: 32

約数和(自身を含む): 56024640

約数和(自身を除く): 34348830

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 55579, 111158, 166737, 277895, 333474, 555790, 722527, 833685, 1445054, 1667370, 2167581, 3612635, 4335162, 7225270, 10837905, 21675810]

約数ペア:

[(1, 21675810), (2, 10837905), (3, 7225270), (5, 4335162), (6, 3612635), (10, 2167581), (13, 1667370), (15, 1445054), (26, 833685), (30, 722527), (39, 555790), (65, 333474), (78, 277895), (130, 166737), (195, 111158), (390, 55579)]