21431982

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{24979}}^1$

素因数の和:25008

約数の個数: 32

約数和(自身を含む): 50359680

約数和(自身を除く): 28927698

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 24979, 49958, 74937, 149874, 274769, 324727, 549538, 649454, 824307, 974181, 1648614, 1948362, 3571997, 7143994, 10715991, 21431982]

約数ペア:

[(1, 21431982), (2, 10715991), (3, 7143994), (6, 3571997), (11, 1948362), (13, 1648614), (22, 974181), (26, 824307), (33, 649454), (39, 549538), (66, 324727), (78, 274769), (143, 149874), (286, 74937), (429, 49958), (858, 24979)]