2021903072

素因数分解:

$2^5\times 7^2\times {\mathrm{61}}^1\times {\mathrm{21139}}^1$

素因数の和:21224

約数の個数: 72

約数和(自身を含む): 4706651880

約数和(自身を除く): 2684748808

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 61, 98, 112, 122, 196, 224, 244, 392, 427, 488, 784, 854, 976, 1568, 1708, 1952, 2989, 3416, 5978, 6832, 11956, 13664, 21139, 23912, 42278, 47824, 84556, 95648, 147973, 169112, 295946, 338224, 591892, 676448, 1035811, 1183784, 1289479, 2071622, 2367568, 2578958, 4143244, 4735136, 5157916, 8286488, 9026353, 10315832, 16572976, 18052706, 20631664, 33145952, 36105412, 41263328, 63184471, 72210824, 126368942, 144421648, 252737884, 288843296, 505475768, 1010951536, 2021903072]

約数ペア:

[(1, 2021903072), (2, 1010951536), (4, 505475768), (7, 288843296), (8, 252737884), (14, 144421648), (16, 126368942), (28, 72210824), (32, 63184471), (49, 41263328), (56, 36105412), (61, 33145952), (98, 20631664), (112, 18052706), (122, 16572976), (196, 10315832), (224, 9026353), (244, 8286488), (392, 5157916), (427, 4735136), (488, 4143244), (784, 2578958), (854, 2367568), (976, 2071622), (1568, 1289479), (1708, 1183784), (1952, 1035811), (2989, 676448), (3416, 591892), (5978, 338224), (6832, 295946), (11956, 169112), (13664, 147973), (21139, 95648), (23912, 84556), (42278, 47824)]