21171317601

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{877}}^1\times {\mathrm{31069}}^1$

素因数の和:31993

約数の個数: 32

約数和(自身を含む): 33171823360

約数和(自身を除く): 12000505759

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 877, 2631, 6139, 18417, 31069, 32449, 93207, 97347, 217483, 227143, 652449, 681429, 1149553, 3448659, 8046871, 24140613, 27247513, 81742539, 190732591, 572197773, 1008157981, 3024473943, 7057105867, 21171317601]

約数ペア:

[(1, 21171317601), (3, 7057105867), (7, 3024473943), (21, 1008157981), (37, 572197773), (111, 190732591), (259, 81742539), (777, 27247513), (877, 24140613), (2631, 8046871), (6139, 3448659), (18417, 1149553), (31069, 681429), (32449, 652449), (93207, 227143), (97347, 217483)]