20211783928

素因数分解:

$2^3\times 7^1\times {\mathrm{2767}}^1\times {\mathrm{130439}}^1$

素因数の和:133219

約数の個数: 32

約数和(自身を含む): 43326950400

約数和(自身を除く): 23115166472

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 2767, 5534, 11068, 19369, 22136, 38738, 77476, 130439, 154952, 260878, 521756, 913073, 1043512, 1826146, 3652292, 7304584, 360924713, 721849426, 1443698852, 2526472991, 2887397704, 5052945982, 10105891964, 20211783928]

約数ペア:

[(1, 20211783928), (2, 10105891964), (4, 5052945982), (7, 2887397704), (8, 2526472991), (14, 1443698852), (28, 721849426), (56, 360924713), (2767, 7304584), (5534, 3652292), (11068, 1826146), (19369, 1043512), (22136, 913073), (38738, 521756), (77476, 260878), (130439, 154952)]