21501274

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{337}}^1$

素因数の和:454

約数の個数: 32

約数和(自身を含む): 36017280

約数和(自身を除く): 14516006

約数列:

[1, 2, 19, 23, 38, 46, 73, 146, 337, 437, 674, 874, 1387, 1679, 2774, 3358, 6403, 7751, 12806, 15502, 24601, 31901, 49202, 63802, 147269, 294538, 467419, 565823, 934838, 1131646, 10750637, 21501274]

約数ペア:

[(1, 21501274), (2, 10750637), (19, 1131646), (23, 934838), (38, 565823), (46, 467419), (73, 294538), (146, 147269), (337, 63802), (437, 49202), (674, 31901), (874, 24601), (1387, 15502), (1679, 12806), (2774, 7751), (3358, 6403)]