21042112

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3613}}^1$

素因数の和:3645

約数の個数: 56

約数和(自身を含む): 51405536

約数和(自身を除く): 30363424

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 182, 208, 224, 364, 416, 448, 728, 832, 1456, 2912, 3613, 5824, 7226, 14452, 25291, 28904, 46969, 50582, 57808, 93938, 101164, 115616, 187876, 202328, 231232, 328783, 375752, 404656, 657566, 751504, 809312, 1315132, 1503008, 1618624, 2630264, 3006016, 5260528, 10521056, 21042112]

約数ペア:

[(1, 21042112), (2, 10521056), (4, 5260528), (7, 3006016), (8, 2630264), (13, 1618624), (14, 1503008), (16, 1315132), (26, 809312), (28, 751504), (32, 657566), (52, 404656), (56, 375752), (64, 328783), (91, 231232), (104, 202328), (112, 187876), (182, 115616), (208, 101164), (224, 93938), (364, 57808), (416, 50582), (448, 46969), (728, 28904), (832, 25291), (1456, 14452), (2912, 7226), (3613, 5824)]