2021298052

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^2$

素因数の和:361

約数の個数: 72

約数和(自身を含む): 3960815040

約数和(自身を除く): 1939516988

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 101, 107, 202, 214, 404, 428, 437, 874, 1748, 1919, 2033, 2323, 2461, 3838, 4066, 4646, 4922, 7676, 8132, 9292, 9844, 10807, 11449, 21614, 22898, 43228, 44137, 45796, 46759, 88274, 93518, 176548, 187036, 205333, 217531, 248561, 263327, 410666, 435062, 497122, 526654, 821332, 870124, 994244, 1053308, 1156349, 2312698, 4625396, 4722659, 5003213, 9445318, 10006426, 18890636, 20012852, 21970631, 26596027, 43941262, 53192054, 87882524, 106384108, 505324513, 1010649026, 2021298052]

約数ペア:

[(1, 2021298052), (2, 1010649026), (4, 505324513), (19, 106384108), (23, 87882524), (38, 53192054), (46, 43941262), (76, 26596027), (92, 21970631), (101, 20012852), (107, 18890636), (202, 10006426), (214, 9445318), (404, 5003213), (428, 4722659), (437, 4625396), (874, 2312698), (1748, 1156349), (1919, 1053308), (2033, 994244), (2323, 870124), (2461, 821332), (3838, 526654), (4066, 497122), (4646, 435062), (4922, 410666), (7676, 263327), (8132, 248561), (9292, 217531), (9844, 205333), (10807, 187036), (11449, 176548), (21614, 93518), (22898, 88274), (43228, 46759), (44137, 45796)]