21130614

素因数分解:

$2^1\times 3^2\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:365

約数の個数: 48

約数和(自身を含む): 47258640

約数和(自身を除く): 26128026

約数列:

[1, 2, 3, 6, 9, 18, 59, 101, 118, 177, 197, 202, 303, 354, 394, 531, 591, 606, 909, 1062, 1182, 1773, 1818, 3546, 5959, 11623, 11918, 17877, 19897, 23246, 34869, 35754, 39794, 53631, 59691, 69738, 104607, 107262, 119382, 179073, 209214, 358146, 1173923, 2347846, 3521769, 7043538, 10565307, 21130614]

約数ペア:

[(1, 21130614), (2, 10565307), (3, 7043538), (6, 3521769), (9, 2347846), (18, 1173923), (59, 358146), (101, 209214), (118, 179073), (177, 119382), (197, 107262), (202, 104607), (303, 69738), (354, 59691), (394, 53631), (531, 39794), (591, 35754), (606, 34869), (909, 23246), (1062, 19897), (1182, 17877), (1773, 11918), (1818, 11623), (3546, 5959)]