21430266

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{24977}}^1$

素因数の和:25006

約数の個数: 32

約数和(自身を含む): 50355648

約数和(自身を除く): 28925382

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 24977, 49954, 74931, 149862, 274747, 324701, 549494, 649402, 824241, 974103, 1648482, 1948206, 3571711, 7143422, 10715133, 21430266]

約数ペア:

[(1, 21430266), (2, 10715133), (3, 7143422), (6, 3571711), (11, 1948206), (13, 1648482), (22, 974103), (26, 824241), (33, 649402), (39, 549494), (66, 324701), (78, 274747), (143, 149862), (286, 74931), (429, 49954), (858, 24977)]