21064730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3823}}^1$

素因数の和:3878

約数の個数: 32

約数和(自身を含む): 41299200

約数和(自身を除く): 20234470

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 290, 551, 1102, 2755, 3823, 5510, 7646, 19115, 38230, 72637, 110867, 145274, 221734, 363185, 554335, 726370, 1108670, 2106473, 4212946, 10532365, 21064730]

約数ペア:

[(1, 21064730), (2, 10532365), (5, 4212946), (10, 2106473), (19, 1108670), (29, 726370), (38, 554335), (58, 363185), (95, 221734), (145, 145274), (190, 110867), (290, 72637), (551, 38230), (1102, 19115), (2755, 7646), (3823, 5510)]