21314552

素因数分解:

$2^3\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1481}}^1$

素因数の和:1751

約数の個数: 32

約数和(自身を含む): 45882720

約数和(自身を除く): 24568168

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 257, 514, 1028, 1481, 1799, 2056, 2962, 3598, 5924, 7196, 10367, 11848, 14392, 20734, 41468, 82936, 380617, 761234, 1522468, 2664319, 3044936, 5328638, 10657276, 21314552]

約数ペア:

[(1, 21314552), (2, 10657276), (4, 5328638), (7, 3044936), (8, 2664319), (14, 1522468), (28, 761234), (56, 380617), (257, 82936), (514, 41468), (1028, 20734), (1481, 14392), (1799, 11848), (2056, 10367), (2962, 7196), (3598, 5924)]