21366939

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 11292261

約数列:

[1, 3, 11, 29, 33, 83, 87, 249, 269, 319, 807, 913, 957, 2407, 2739, 2959, 7221, 7801, 8877, 22327, 23403, 26477, 66981, 79431, 85811, 245597, 257433, 647483, 736791, 1942449, 7122313, 21366939]

約数ペア:

[(1, 21366939), (3, 7122313), (11, 1942449), (29, 736791), (33, 647483), (83, 257433), (87, 245597), (249, 85811), (269, 79431), (319, 66981), (807, 26477), (913, 23403), (957, 22327), (2407, 8877), (2739, 7801), (2959, 7221)]