21431872

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4349}}^1$

素因数の和:4379

約数の個数: 56

約数和(自身を含む): 53035200

約数和(自身を除く): 31603328

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 154, 176, 224, 308, 352, 448, 616, 704, 1232, 2464, 4349, 4928, 8698, 17396, 30443, 34792, 47839, 60886, 69584, 95678, 121772, 139168, 191356, 243544, 278336, 334873, 382712, 487088, 669746, 765424, 974176, 1339492, 1530848, 1948352, 2678984, 3061696, 5357968, 10715936, 21431872]

約数ペア:

[(1, 21431872), (2, 10715936), (4, 5357968), (7, 3061696), (8, 2678984), (11, 1948352), (14, 1530848), (16, 1339492), (22, 974176), (28, 765424), (32, 669746), (44, 487088), (56, 382712), (64, 334873), (77, 278336), (88, 243544), (112, 191356), (154, 139168), (176, 121772), (224, 95678), (308, 69584), (352, 60886), (448, 47839), (616, 34792), (704, 30443), (1232, 17396), (2464, 8698), (4349, 4928)]