21565038

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{593}}^1$

素因数の和:657

約数の個数: 64

約数和(自身を含む): 51321600

約数和(自身を除く): 29756562

約数列:

[1, 2, 3, 6, 11, 19, 22, 29, 33, 38, 57, 58, 66, 87, 114, 174, 209, 319, 418, 551, 593, 627, 638, 957, 1102, 1186, 1254, 1653, 1779, 1914, 3306, 3558, 6061, 6523, 11267, 12122, 13046, 17197, 18183, 19569, 22534, 33801, 34394, 36366, 39138, 51591, 67602, 103182, 123937, 189167, 247874, 326743, 371811, 378334, 567501, 653486, 743622, 980229, 1135002, 1960458, 3594173, 7188346, 10782519, 21565038]

約数ペア:

[(1, 21565038), (2, 10782519), (3, 7188346), (6, 3594173), (11, 1960458), (19, 1135002), (22, 980229), (29, 743622), (33, 653486), (38, 567501), (57, 378334), (58, 371811), (66, 326743), (87, 247874), (114, 189167), (174, 123937), (209, 103182), (319, 67602), (418, 51591), (551, 39138), (593, 36366), (627, 34394), (638, 33801), (957, 22534), (1102, 19569), (1186, 18183), (1254, 17197), (1653, 13046), (1779, 12122), (1914, 11267), (3306, 6523), (3558, 6061)]