21733929

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 38471680

約数和(自身を除く): 16737751

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 67, 133, 171, 201, 271, 399, 469, 603, 813, 1197, 1273, 1407, 1897, 2439, 3819, 4221, 5149, 5691, 8911, 11457, 15447, 17073, 18157, 26733, 36043, 46341, 54471, 80199, 108129, 127099, 163413, 324387, 344983, 381297, 1034949, 1143891, 2414881, 3104847, 7244643, 21733929]

約数ペア:

[(1, 21733929), (3, 7244643), (7, 3104847), (9, 2414881), (19, 1143891), (21, 1034949), (57, 381297), (63, 344983), (67, 324387), (133, 163413), (171, 127099), (201, 108129), (271, 80199), (399, 54471), (469, 46341), (603, 36043), (813, 26733), (1197, 18157), (1273, 17073), (1407, 15447), (1897, 11457), (2439, 8911), (3819, 5691), (4221, 5149)]